Question

I’m struggling with this problem

Answer 1

Answer: 22 vacuums

Explanation:

S = $350 + 60v

1670 = $350 + 60v

then subtract 350 on both sides

-350 = -350 + 60v

1320 = 60v

then get v by itself by dividing 60 on each side

1320/60 = 60v/60

22 ==