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Sub 505 (Easy)|   Word Problems|                     
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petercao
A small business invests $9,900 in equipment to produce a product. Each unit of the product costs $0.65 to produce and is sold for $1.20. How many units of the product must be sold before the revenue received equals the total expense of production, including the initial investment in equipment?

A. 12,000
B. 14,500
C. 15,230
D. 18,000
E. 20,000

the total expense of production is 9,900+0.65x
and the revenue is 1.20x

so x=18,000
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x is the number of units

Total product cost = total expense = 0.65x
Total product sale prices: 1.2x

Revenue receive = 1.2x - 9,900

1.2x - 9,900 = 0.65 <=> x = 18,000 (D)
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petercao
A small business invests $9,900 in equipment to produce a product. Each unit of the product costs $0.65 to produce and is sold for $1.20. How many units of the product must be sold before the revenue received equals the total expense of production, including the initial investment in equipment?

A. 12,000
B. 14,500
C. 15,230
D. 18,000
E. 20,000


We can let n = the number of items produced and create the equation:

1.2n = 9,900 + 0.65n

0.55n = 9,900

n = 18,000

Answer: D
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petercao
A small business invests $9,900 in equipment to produce a product. Each unit of the product costs $0.65 to produce and is sold for $1.20. How many units of the product must be sold before the revenue received equals the total expense of production, including the initial investment in equipment?

A. 12,000
B. 14,500
C. 15,230
D. 18,000
E. 20,000

Proft per unit =(1.2-0.65)=0.55

9900/0.55=18000 more units of product must be sold to cover the production cost.

Answer is D

Posted from my mobile device
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petercao
A small business invests $9,900 in equipment to produce a product. Each unit of the product costs $0.65 to produce and is sold for $1.20. How many units of the product must be sold before the revenue received equals the total expense of production, including the initial investment in equipment?

A. 12,000
B. 14,500
C. 15,230
D. 18,000
E. 20,000

There is a good formula (equation) for this kind of PS.

Sales = Variable cost+Fixed cost + Profit. [Production cost is the variable cost and the Profit will be "0" here, as the question stem asked for a quantity where total revenue will be equal to total cost]

Let, the desired quantity is \(Q\)

\(1.20Q=0.65Q+9,900+0\)

\(=0.55Q=9,900\)

\(Q=\frac{9,900*100}{55}=18,000\)

The answer is \(D\)
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petercao
A small business invests $9,900 in equipment to produce a product. Each unit of the product costs $0.65 to produce and is sold for $1.20. How many units of the product must be sold before the revenue received equals the total expense of production, including the initial investment in equipment?

A. 12,000
B. 14,500
C. 15,230
D. 18,000
E. 20,000

Answer: Option D

Video solution by GMATinsight

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petercao
A small business invests $9,900 in equipment to produce a product. Each unit of the product costs $0.65 to produce and is sold for $1.20. How many units of the product must be sold before the revenue received equals the total expense of production, including the initial investment in equipment?

A. 12,000
B. 14,500
C. 15,230
D. 18,000
E. 20,000


We can let n = the number of items produced and create the equation:

1.2n = 9,900 + 0.65n

0.55n = 9,900

n = 18,000

Answer: D

I thought because the uestion says "before", that we need to find the value before the break even, which is 18,000, so I chose choice C.
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Video solution from Quant Reasoning:
Subscribe for more: https://www.youtube.com/QuantReasoning? ... irmation=1
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Investmwnt is $9900
cost=$0.65
SP=$1.2

The question is asking product must be sold [before Sales=cost

Therefore Iassumeit should be sales shoukd be less than the below equation which is calculated

no of units=x

1.2x=.65x+9900

after solving we get 18000 units

hence it should be less than 18000 becoz its saying before in the question stem

plz explain Bunuel
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atquereiciendis
Investmwnt is $9900
cost=$0.65
SP=$1.2

The question is asking product must be sold [before Sales=cost

Therefore Iassumeit should be sales shoukd be less than the below equation which is calculated

no of units=x

1.2x=.65x+9900

after solving we get 18000 units

hence it should be less than 18000 becoz its saying before in the question stem

plz explain Bunuel
Your confusion is treating “before” as “earlier in time.” In this problem, “before” means “up to the point where” (the threshold). You are being asked for the unit count at that threshold, not a time earlier and not “anything less than it.” Selling fewer units means you have not yet reached the point where revenue equals total expense.
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