John needs 7 gallon bottles of water to fill 90water balloons how many gallon bottles of water does John need to purchase to fil
l up 140 water balloons
1 answer:
Answer:
11 bottles
Step-by-step explanation:
make a proportion because if you're using the same rate proportions can show that it's equal

cross multiply


divide the answer by 90 to find x

round to 11 because you can't have 10.8 bottles
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