Question

The cost of phone plan Q is $10 per month plus $0.14 per minute. Phone plan R costs $7 per month plus $0.17 a minute. If Anthony talks on the phone for 70 minutes in a month, which plan is less expensive for Anthony, and by how much?

Answer 1

Plan Q is more expensive

Answer 2

Plan Q is more expensive by $1.00

Explanation:

Plan Q: 10 + .14( 70 ) -> 10 + 9.80 = 19.80

Plan R: 7 + .17( 70 ) -> 7 + .17( 70 ) = 18.90