SOLUTION: IF IT TAKES 8 PEOPLE 4 AND A HALF HOURS TO CLEAN A PARK, HOW MANY HOURS WILL IT TAKE 20 PEOPLE TO CLEAN A PARK?

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Question 959474: IF IT TAKES 8 PEOPLE 4 AND A HALF HOURS TO CLEAN A PARK, HOW MANY HOURS WILL IT TAKE 20 PEOPLE TO CLEAN A PARK?






Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
One person cleans a park at the rate of r parks per hour.

8r%2A4%261%2F4=1=20r%2At

Answer by MathTherapy(10555) About Me  (Show Source):
You can put this solution on YOUR website!

IF IT TAKES 8 PEOPLE 4 AND A HALF HOURS TO CLEAN A PARK, HOW MANY HOURS WILL IT TAKE 20 PEOPLE TO CLEAN A PARK?
highlight_green%281.8%29 HOURS