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 Forum Index >  Test Paper Related >  Primary 5 Matters
 P5 challenging problem sum
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By: sethchew (offline)  Saturday, October 23 2010 @ 03:22 AM CDT (Read 1544 times)  
sethchew

80% of the fishes in a pond were guppies and the rest were goldfish. When 160 more guppies and goldfish were added into the pond, the percentage of guppies increased by 15% and the number of goldfish increased by 100%. How many guppies were there in the pond at first?

I got 400. Pls help with the problem! Big Grin Big Grin Big Grin

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By: Fiona Wang (offline)  Sunday, October 24 2010 @ 03:26 AM CDT  
Fiona Wang

Is my Answer correct?

Oops! The question is asking how many guppies were there in the pond at first. Not asking how many Fishes were there at First.
So the answer should be 400 instead of 500.

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