Source: GMAT Paper Tests
A breakfast that consists of 1 ounce of corn puffs and 8 ounces of Fruit X provides 257 calories. When 8 ounces of Fruit Y is substituted for the 8 ounces of Fruit X, the total number of calories is reduced to 185. If Fruit X provides 1.8 times as many calories as Fruit Y, how many calories does 8 ounces of Fruit Y provide?
A. 11.25
B. 72
C. 90
D. 95
E. 129.6
The OA is C
A breakfast that consists of 1 ounce of corn puffs and 8 ounces of Fruit X provides 257 calories. When 8 ounces of...
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Solution:BTGmoderatorLU wrote: ↑Tue Nov 03, 2020 9:40 amSource: GMAT Paper Tests
A breakfast that consists of 1 ounce of corn puffs and 8 ounces of Fruit X provides 257 calories. When 8 ounces of Fruit Y is substituted for the 8 ounces of Fruit X, the total number of calories is reduced to 185. If Fruit X provides 1.8 times as many calories as Fruit Y, how many calories does 8 ounces of Fruit Y provide?
A. 11.25
B. 72
C. 90
D. 95
E. 129.6
The OA is C
We see that 8 ounces of fruit X has 257 - 185 = 72 calories more than 8 ounces of fruit Y. Since fruit X provides 1.8 times as many calories as fruit Y, we can create the equations:
X = Y + 72
and
X = 1.8Y
Therefore, we have:
Y + 72 = 1.8Y
72 = 0.8Y
90 = Y
Answer: C
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