SOLUTION: carlos worked 31.5 hours at a hospital as a volunteer. this represents 87.5% of his schools requirement for community service. how many hours does his school require for community
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Question 373440: carlos worked 31.5 hours at a hospital as a volunteer. this represents 87.5% of his schools requirement for community service. how many hours does his school require for community service Found 2 solutions by fractalier, josmiceli:Answer by fractalier(6550) (Show Source):
You can put this solution on YOUR website! For this you can set up the proportion
31.5 is to x as 87.5% is to 100%, that is
Normally we might cross-multiply, but notice that 87.5/100 reduces to 7/8...so we can simply write and and
x = 36 hours