SOLUTION: The Clark family and the Robinson family each use their sprinklers last summer the Clark family sprinkler was used for 20 hours the Robinson families sprinkler was used for 15 hour

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Question 1173480: The Clark family and the Robinson family each use their sprinklers last summer the Clark family sprinkler was used for 20 hours the Robinson families sprinkler was used for 15 hours there was a combined total output of 625L of water what was the water output rate for each sprinkler if the sum of the two rates was 35L per hour
Answer by ikleyn(52765) About Me  (Show Source):
You can put this solution on YOUR website!
.

for a TWIN problems solved, see the lesson
    - The Robinson family and the Sanders family each used their sprinklers last summer
in this site.

Read it attentively and consider as your TEMPLATE.

Then, armed with this knowledge, solve your problem in the same way.