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Korolek [52]
3 years ago
11

Naila worked 3.5 hours more than Lisa. Together, they worked a total of 18 hours. Lisa worked h hours.

Mathematics
1 answer:
densk [106]3 years ago
7 0

Answer:

Lisa = 7 hours and 15 minutes

Naila = 10 hours and 45 minutes

Step-by-step explanation:

Naila = N

Lisa = L

Naila worked:

N = 3.5 + L

In total, they worked:

N + L = 18

Lisa worked:

L = h

Substitute values into the total equation

3.5 + L  + L = 18

Solve

2L = 14.5

L = 7.25 = 7 hours and 15 minutes

N = 7.25 + 3.5 = 10.75 = 10 hours and 45 minutes

Hope this helps :)

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