227k views
5 votes
Bella's cell phone costs $ 18 per month plus $ 0.15 for every minute she use the phone. Last month her bill was $ 29.25. For how many minutes did she use her phone last month?

2 Answers

3 votes
same- the answer is 75 minutes
User Fnostro
by
7.0k points
6 votes
I think it's 75 minutes because you have to subtract 29.25 from $18 then divide 0.15 by 11.25 because 29.25-1= 11.25 
User Anthony Nichols
by
6.7k points
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