math mates homework problem 32

label Mathematics
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schedule 1 Day
account_balance_wallet $5

Barbie makes an average of 4 calls per day, 5 days a week. Which phone plan is the cheapest for Barbie?

A: $4 per week plus 30 cents per call

B: $1.60 per week plus 40 cents per call

C: $0 per week plus 60 cents per call

Nov 14th, 2014

4+20*0.30=4+6=10

1.6+20*0.40= 1.6+8=9.6

20*0.60 =12

Plan B is better


Nov 14th, 2014

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