Mathematics, 10.04.2021 01:20, dedgefield

The Sanders family and the Aoki family each used their sprinklers last summer. The water output rate for the Sanders family's sprinkler was 30
L
per hour. The water output rate for the Aoki family's sprinkler was
25
L
per hour. The families used their sprinklers for a combined total of
40
hours, resulting in a total water output of
1075
L
. How long was each sprinkler used?

Answers: 2

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The Sanders family and the Aoki family each used their sprinklers last summer. The water output rate...