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5v + 7f =28.70 if f is 2.85

5v + 7f =28.70 if f is 2.85
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2 votes
5v + 7f =28.70 if f is 2.85

User Free Consulting
by
7.9k points

2 Answers

3 votes
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.

(5v)/(5)=(8.75)/(5)

v=1.75

Let me know if you have any questions regarding this problem!
Thanks!
-TetraFish
User Bhavesh Daswani
by
8.5k points
3 votes

5v+7(2.85)=28.70

5v+19.95 = 28.70

5v = 8.75

v = 1.75

User Marcos Barbero
by
8.1k points
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