Question

Robin currently has 50 subscribers on her YouTube channel, and Dimitri currently has 17 subscribers. Robin gains 4 subscribers every week, while Dimitri gains 7 subscribers each week.

Part A: Set up a system of equations to shows each person's subscribers.

Part B: After how many weeks will Robin and Dimitri have the same number of subscribers?

Part C: How many subscribers will Robin and Dimitri have when their subscriber count is equal?

Answer 1

A: R = 50 + 4w

D = 17 + 7w

B: 50 + 4w = 17 +7w

Solve for w.

You should be able to do C from the above information.

Answer 2

Thanks !

Answer 3

C: 122