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adoni [48]
3 years ago
9

5v + 7f =28.70 if f is 2.85

Mathematics
2 answers:
Mrac [35]3 years ago
6 0

5v+7(2.85)=28.70

5v+19.95 = 28.70

5v = 8.75

v = 1.75

adell [148]3 years ago
3 0
Hey!

First, let's write the problem.
5v+7\left(2.85\right)=28.7
Multiply 7 with 2.85.
5v+19.95=28.7
Subtract 19.95 from both sides.
5v+19.95-19.95=28.7-19.95
5v=8.75
Divide both sides by 5.
\frac{5v}{5}=\frac{8.75}{5}
v=1.75

Let me know if you have any questions regarding this problem!
Thanks!
-TetraFish
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