SOLUTION: The Harris family and the Richardson family each used their sprinklers. The water output rate for the Harris family's sprinkler was 30L per hour. The water output rate for the Ric

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Question 1119311: The Harris family and the Richardson family each used their sprinklers. The water output rate for the Harris family's sprinkler was 30L per hour. The water output rate for the Richardson family's sprinkler was 40L per hour. The families used their sprinklers for a combined total of 55 hours, resulting in a total water output of
2000L. How long was each sprinkler used?
Harris family:
Richardson family:
Answer by ikleyn(52787) About Me  (Show Source):
You can put this solution on YOUR website!
.
Read the lesson
    - The Robinson family and the Sanders family each used their sprinklers last summer
in this site, where the similar problem was solved.

It is your sample. Read it attentively.

Then substitute your data and get the solution.


It was solved in this forum ~ 10 - 20 times.

If you GOOGLE with the keyword "family each used their sprinklers algebra.com" you will find other numerous solutions in the archive.