SOLUTION: if it takes me 6 hours to wash 16 cars how long would it take me to wash 21 cars
Algebra.Com
Question 1002427: if it takes me 6 hours to wash 16 cars how long would it take me to wash 21 cars
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
We write the proportion
Cross-multiply
16x = 126
Now divide by 16 and get
x = 7 7/8 hours
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