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10 people went walking down the street. 5 time the amount joined them.10 minutes later 3 times that amount left what percent is left? pm if you need help!!!!!!!!!!!!!!!!!1

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Tuesday1221
I may not be right, but if it startes of with 10 people makeing it either 100% or 10%
 
if they add 5. It turns into either 150% or 15%

then 3 leaves making it 120% or 12%

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