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 Anth
ony talks on the phone for 70 minutes in a month, which plan is less expensive for Anthony, and by how much?
1 answer:
Answer:
Plan Q cost $18.9 and it is less expensive by $0.9
Step-by-step 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
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