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By: shirley wee (offline)  Saturday, March 10 2012 @ 04:20 AM CST (Read 1096 times)  
shirley wee

Mrs. Tan gave John $50 to purchase some fruits and a cake. John spent $16 on mangoes and 50% of the remaining on strawberries. The money he received from Mrs. Tan was $2 more than the total cost of the fruits and the cake. If John wanted to buy a toy that cost $5, what was the least percentage discount he must obtain from the cake shop?

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By: awyw1201 (offline)  Saturday, March 10 2012 @ 09:40 AM CST  
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Quote by: shirley wee

Mrs. Tan gave John $50 to purchase some fruits and a cake. John spent $16 on mangoes and 50% of the remaining on strawberries. The money he received from Mrs. Tan was $2 more than the total cost of the fruits and the cake. If John wanted to buy a toy that cost $5, what was the least percentage discount he must obtain from the cake shop?




Mangoes----16
Strawberries----1/2 x (50-16) = 17
Money spent on fruits and cake----50-2=48
Cake----48- (16 + 17) = 15
Extra money needed--- 5-2=3
Therefore, % discount-----3/15 x 100 = 20

Ans: 20%

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