Question

Applications for a cellular phone cost $0.79 each. Ringtones cost $1.89 each. Write an algebraic expression that represents the total cost of buying a applications and r ringtones.

Answer 1

Answer:

The answer to your question is:        C = 0.79a + 1.89r

Step-by-step explanation:

Data

Cost = C

apps = $0.79 = a

ringtones = $1.89 = r

               

                C = 0.79a + 1.89r