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A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 meters by 2 meters. If the carpet squares cost $12 apiece, what is the total cost for the number of carpet squares needed to cover the floor?

Re: A rectangular floor that measures 8 meters by 10 meters is to be cover [#permalink]

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14 Oct 2015, 21:28

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Number of carpets required to cover the entire floor = total floor area/ area of carpet = 10x8 /2x2 = 20 Total cost of carpet squares = 20 x 12 = 240 $ Answer B
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A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 meters by 2 meters. If the carpet squares cost $12 apiece, what is the total cost for the number of carpet squares needed to cover the floor?

(A) $200 (B) $240 (C) $480 (D) $960 (E) $1,920

Kudos for a correct solution.

No. of Carpets required to Cover the floor = (8*10)/(2*2) = 20

Total Price to 20 pieces @$12 per piece = 12*20 = $240

Answer: option B
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A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 meters by 2 meters. If the carpet squares cost $12 apiece, what is the total cost for the number of carpet squares needed to cover the floor?

(A) $200 (B) $240 (C) $480 (D) $960 (E) $1,920

The width of the rectangular floor(8 m) is a multiple of one side of the square(2 m), and the length of the floor(10 m) is also a multiple of the side of the square. So the number of carpets to cover the floor is (8/2)*(10/2)=20.

Re: A rectangular floor that measures 8 meters by 10 meters is to be cover [#permalink]

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17 Oct 2015, 12:06

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Bunuel wrote:

A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 meters by 2 meters. If the carpet squares cost $12 apiece, what is the total cost for the number of carpet squares needed to cover the floor?

A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 meters by 2 meters. If the carpet squares cost $12 apiece, what is the total cost for the number of carpet squares needed to cover the floor?

(A) $200 (B) $240 (C) $480 (D) $960 (E) $1,920

Kudos for a correct solution.

A rectangular floor with the dimensions of 8 meters by 10 meters needs to be covered by carpet squares. Each carpet square measures 2 meters by 2 meters and costs $12 per square. We must determine the total cost to cover the floor in carpet squares. Let’s start by determining the area of the floor and the area of each carpet square.

Area of floor = 8 x 10 = 80

Area of each carpet square = 2 x 2 = 4

Thus, the total number of carpet squares needed to cover the floor = 80/4 = 20 carpet squares.

Since the cost of each carpet square is $12, the total cost for 20 carpet squares = 20 x $12 = $240

Answer: B
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GMAT Quant Self-Study Course 500+ lessons 3000+ practice problems 800+ HD solutions

Re: A rectangular floor that measures 8 meters by 10 meters is to be cover [#permalink]

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27 Apr 2016, 08:17

Bunuel wrote:

A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 meters by 2 meters. If the carpet squares cost $12 apiece, what is the total cost for the number of carpet squares needed to cover the floor?

(A) $200 (B) $240 (C) $480 (D) $960 (E) $1,920

Kudos for a correct solution.

Area of rectangular floor = 8 * 10 =>80

Area of a piece of carpet square = 2 * 2 => 4

No of pieces of carpet square required is = 80/4 =>20

Thus the total cost of Carpet square required to cover the rectangular floor will be 20 * 12 = $240

Answer will be (B) _________________

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Abhishek....

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A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 meters by 2 meters. If the carpet squares cost $12 apiece, what is the total cost for the number of carpet squares needed to cover the floor?

(A) $200 (B) $240 (C) $480 (D) $960 (E) $1,920

Kudos for a correct solution.

A rectangular floor with the dimensions of 8 meters by 10 meters needs to be covered by carpet squares. Each carpet square measures 2 meters by 2 meters and costs $12 per square. We must determine the total cost to cover the floor in carpet squares. Let’s start by determining the area of the floor and the area of each carpet square.

Area of floor = 8 x 10 = 80

Area of each carpet square = 2 x 2 = 4

Thus, the total number of carpet squares needed to cover the floor = 80/4 = 20 carpet squares.

Since the cost of each carpet square is $12, the total cost for 20 carpet squares = 20 x $12 = $240

Answer: B
_________________

Jeffery Miller Head of GMAT Instruction

GMAT Quant Self-Study Course 500+ lessons 3000+ practice problems 800+ HD solutions

Re: A rectangular floor that measures 8 meters by 10 meters is to be cover [#permalink]

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17 Nov 2016, 08:31

Bunuel wrote:

A rectangular floor that measures 8 meters by 10 meters is to be covered with carpet squares that each measure 2 meters by 2 meters. If the carpet squares cost $12 apiece, what is the total cost for the number of carpet squares needed to cover the floor?

(A) $200 (B) $240 (C) $480 (D) $960 (E) $1,920

Kudos for a correct solution.

Area of floor=10*8=80 Area of carpet=2*2=4 So, carpet need to cover the floor=80/4=20 pieces So, total cost of will be=20*12=240 dollars. So, the correct answer is B. _________________

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29 Dec 2017, 20:48

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