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vlada-n [284]
2 years ago
11

isobel and marnie volunteer at a daycare center Isobel works 3 hours for every 2 hours marine works. if the two girls together w

ork 20 hours on month, how many hours does Isobel work?
Mathematics
1 answer:
Anon25 [30]2 years ago
6 0
I=1.5m
m+1.5m=20
2.5m=20
m=8
20-8=12
Isobel worked 12 hours.
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