181k views
1 vote
The cost of a phone plan Q is $10 per month plus $0.14 per minute. Phone plan R cost $7 per month plus $0.17 per minute. If Anthony talks on the phone for 70 minutes in a month, which plan is less expensive for Anthony, and by how much?

User SEMson
by
7.7k points

1 Answer

3 votes

Answer:

Plan Q cost $18.9 and it is less expensive by $0.9

Explanation:

Cost of Phone Q=$10+$0.14 per minute

Cost of phone R=$7+$0.17 per minute

Let m=number of minutes

If Anthony talks for 70 minutes

Cost of Q=$10+$0.14(m)

=$10+$0.14(70)

=$10+$9.8

=$19.8

Cost of phone R=$7+$0.17(m)

=$7+$0.17(70)

=$7+$11.9

=$18.9

Plan Q cost $18.9 and it is less expensive by $0.9

User Ian Kirkpatrick
by
7.7k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories