Answered

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Your cell phone company charges $1.45 a minute plus a $45 monthly charge, how many minutes can you talk if your budget is $100?

Sagot :

Samuelonum1idn

Answer:

38minutes approx

Step-by-step explanation:

Given data

Charges per minute=  $1.45

Monthly charge= $45

Let the number of minutes be x

and let the total charges for the month be y

The function for the total charge is

y= 1.45x+45

for y= 100, we want to find x

100= 1.45x+45

100-45= 1.45x

55= 1.45x

Divide both sides by 1.45 to get x

x= 55/1.45

x= 37.93

Hence the number of minutes is 38minutes approx

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