njimenez1231
07.04.2020 •
Mathematics
Wuestion 19
The Ross family and the Collins family each used their sprinklers last summer. The water output rate for the Ross family's sprinkler was 25 L per hour. The
output rate for the Collins family's sprinkler was 30 L per hour. The families used their sprinklers for a combined total of 60 hours, resulting in a total water
output of 1625 L. How long was each sprinkler used?
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Ответ:
x+y= 60
Put into calculator and you get
x=35 y=25
Ответ:
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