SOLUTION: Big Al, the ape, ate 100 bananas from May 1 through May 5. Each day he ate 6 more bananas than the previous day. How many did he eat on May 5th? a) 20 b) 22 c) 30 d) 32 e) 34

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Question 288042: Big Al, the ape, ate 100 bananas from May 1 through May 5. Each day he ate 6 more bananas than the previous day. How many did he eat on May 5th?
a) 20 b) 22 c) 30 d) 32 e) 34
Answer by toidayma(44) About Me  (Show Source):
You can put this solution on YOUR website!
Let the number of banana he ate on May 1 is x. We have
the number of banana he ate on May 2 is x +6
the number of banana he ate on May 3 is x +6*2
the number of banana he ate on May 4 is x +6*3
the number of banana he ate on May 5 is x +6*4
Totally he ate 5x + 6*(1+2+3+4) = 5x + 60, since this equals to 100, then we have
5x + 60 = 100 or x = 8 (bananas).