Problema Solution
Movie Mania requires customers to pay a sign-up fee of $20, and charges $4.00 to rent a DVD. Hurricane Video is free to join, but DVDs cost $6.00 to rent. Write and solve an equation to find the number of DVDs you would have to rent in order for both stores to charge the same. Explain what your variable represents.
Answer provided by our tutors
let 'v' represent the number of DVDs rented
Movia Mania cost:
4v + 20
Hurricane Video cost:
6v
we want to solve for 'v' when the costs are equal:
4v + 20 = 6v
2v = 20
v = 20/2 = 10
you would have to rent 10 DVDs for the costs to be equal