hellokitty1647
16.01.2020 •
Mathematics
Use compatible numbers to estimate −29 ( −
2
7
) .
−
2
7
≈ −
2
8
≈ −
1
4
Solved
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Ответ:
We conclude that Jamal will rewired 20 electrical outlets for 7.5 hours.
Step-by-step explanation:
We know that Jamal rewired 4 electrical outlets in 1 and one-half hours. We calculate how many electrical outlets will he rewired for 7.5 hours.
We have the following proportion:
We conclude that Jamal will rewired 20 electrical outlets for 7.5 hours.