Question

Look at the revenue for videos rented (v) on a given day at two different video rental stores below

r = 2v + 10
r = 1.6v + 18

After how many video rentals will the revenues of both stores be equal?

a)25
b)45
c)70
d)20

Answer 1

d) 20; transitive property, so
2v + 10 = 1.6v + 18