SOLUTION: the griffen family and the collins family each used their sprinklers last summer. The griffen familys sprinkler was used for 25 hours. the collins familys sprinkler was used for 40

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Question 1189836: the griffen family and the collins family each used their sprinklers last summer. The griffen familys sprinkler was used for 25 hours. the collins familys sprinkler was used for 40 hours. There was a combined total output of 1425 L of water. what was the water output rate for each sprinkler if the sum of thw two rates was 45 L per hour?
Answer by josgarithmetic(39631) About Me  (Show Source):
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RATE%2ATIME=VOLUME
or
RATE=VOLUME%2FTIME 

            RATES           TIME in hour    VOLUME in liters

GRIFFENS      45-C            25           25(45-C)

COLLINS         C             40           40C

TOTALS          45                           1425

highlight_green%2825%2845-C%29%2B40C=1425%29
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