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During one day, a door-to-door brick salesman sold three fourths of hi

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During one day, a door-to-door brick salesman sold three fourths of hi [#permalink] New post   19 Mar 2017, 08:50
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During one day, a door-to-door brick salesman sold three fourths of his bricks for $0.25 each. If he had 150 bricks left at the end of the day, how much money did he collect for brick sales that day?

A. $12.50
B. $37.50
C. $50.00
D. $112.50
E. $150.00
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D
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Re: During one day, a door-to-door brick salesman sold three fourths of hi [#permalink] New post   19 Mar 2017, 09:29
SajjadAhmad wrote:
During one day, a door-to-door brick salesman sold three fourths of his bricks for $0.25 each. If he had 150 bricks left at the end of the day, how much money did he collect for brick sales that day?

A. $12.50
B. $37.50
C. $50.00
D. $112.50
E. $150.00


x - total number of bricks

x/4 = 150 ==> x = 600

3x/4 * 0.25 = 0.75*600*0.25 = 450*0.25 = 112.50

Hence option D is correct
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Re: During one day, a door-to-door brick salesman sold three fourths of hi [#permalink] New post   20 Mar 2017, 02:41
SajjadAhmad wrote:
During one day, a door-to-door brick salesman sold three fourths of his bricks for $0.25 each. If he had 150 bricks left at the end of the day, how much money did he collect for brick sales that day?

A. $12.50
B. $37.50
C. $50.00
D. $112.50
E. $150.00


3/4 is sold, 1/4 is left which is equal to 150. therefore he sold 450
money collected = 450*0.25 =112.5

option D
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Re: During one day, a door-to-door brick salesman sold three fourths of hi [#permalink] New post   01 May 2018, 10:04
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SajjadAhmad wrote:
During one day, a door-to-door brick salesman sold three fourths of his bricks for $0.25 each. If he had 150 bricks left at the end of the day, how much money did he collect for brick sales that day?

A. $12.50
B. $37.50
C. $50.00
D. $112.50
E. $150.00



We see that 150 bricks he had left at the end of the day must be 1/4 of all the bricks he had at the beginning of the day. Thus he had 150 x 4 = 600 bricks at the beginning of the day, and, during the day, he sold 3/4 x 600 = 450 bricks. Since each brick is $0.25, he sold a total of 450 x 0.25 = $112.50 worth of bricks.

Answer: D
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Re: During one day, a door-to-door brick salesman sold three fourths of hi [#permalink]
01 May 2018, 10:04
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