The price of a 12-minute phone call is $4.2.
We have given that,
The price of a 5-minute phone call is $1.75.
We have to determine, the price of a 12-minute phone call.
What is the price?
A price is the (usually not negative) quantity of payment or compensation given by one party to another in return for goods or services.
We first 1.75 divided by 5 which gives you .35
That is,
[tex]\frac{1.75}{5} =0.35[/tex]
[tex](0.35)( 4)=4.2[/tex]
0 .35 times 12 which gives $4.2.
Therefore the price of a 12-minute phone call is $4.2.
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