SOLUTION: AMY CAN CLEAN THE ELEPHANT ENCLOSURE IN 4 HOURS, BUT IT TAKE JOEL 6 HOURS. HOW LONG WOULD IT TAKE THEM WORKING TOGETHER.....PLEASE HELP
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Question 582275: AMY CAN CLEAN THE ELEPHANT ENCLOSURE IN 4 HOURS, BUT IT TAKE JOEL 6 HOURS. HOW LONG WOULD IT TAKE THEM WORKING TOGETHER.....PLEASE HELP Answer by nerdybill(7384) (Show Source):
You can put this solution on YOUR website! AMY CAN CLEAN THE ELEPHANT ENCLOSURE IN 4 HOURS, BUT IT TAKE JOEL 6 HOURS. HOW LONG WOULD IT TAKE THEM WORKING TOGETHER.....PLEASE HELP
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Let x = time (hours) it takes together
then
x(1/4 + 1/6) = 1
multiplying both sides by 12:
x(3 + 2) = 12
x(5) = 12
x = 12/5
x = 2.4 hours
or
x = 2 hours and 24 minutes
