solve the number sentence

User Generated

Natqnivf

Mathematics

Question Description

a water output rate for the chen family sprinkler was 20L per hour. Water output rate for the thomas family was 25L per hour. The families used sprinklers combined for 45 hours. resulting in a total water output of 1050L. 

chen per hr=

thomas per hr=

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Explanation & Answer

x+y =45

20x+25y=1050

20x+20y=900

5y =150

y=30

x=15

chen =15 hours

thomas = 30 hous

znquninag (2757)
Purdue University

Anonymous
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