if i have $100 and a 20 minute phone cost $5.60 how many minutes can i talk a day in one month

Question

I want to know how many minuets can I talk a day in one month is u have $100 and 20 mins equal $5.60

Answer 1

20 minute phone cost $5.60

 

so 1 minute phine cost =5.60/20=$ 0.28

 

so in $100 no. of minute you can speak =100/0.28=357.14

 

so number of minutes  per day in month you can speak= 357.14/30=11.9 ≈12 minutes