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13 Jul 2021, 07:30
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B
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Difficulty:
5%
(low)
Question Stats:
95% (01:39) correct
5%
(02:30)
wrong
based on 193
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Half of a shipment of toy trucks was left at Store W, 25% at Store X, 20% at Store Y, and the remaining 20 at Store Z. What is the positive difference difference between the trucks left at Stores X and Y ?
A. 18
B. 20
C. 22
D. 24
E. 26
A. 18
B. 20
C. 22
D. 24
E. 26
13 Jul 2021, 10:16
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Bunuel
If 5% remaining then the total number of toys (20*100)/5 = 400
At store X, (400*25/100) = 100
At store Y, (400*20/100) = 80
Difference is 100-80 = 20
Ans. B
14 Jul 2021, 01:15
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50% at W + 25% at X + 20% at Y = 95% left.
5% left at Z which is 20. Therefore, \(\frac{5}{100}\) * Total toys = 20
Total toys = 400
=> X - Y = 25% - 20% = 5%.
=> 5% of 400 = 20
Answer B
5% left at Z which is 20. Therefore, \(\frac{5}{100}\) * Total toys = 20
Total toys = 400
=> X - Y = 25% - 20% = 5%.
=> 5% of 400 = 20
Answer B
