Question

Each month, Liz pays $35 to her phone company just to use the phone. Each text she sends costs her an additional $0.05. In March, her phone bill was $72.60. In April, her phone bill was 565.85. How many texts did she send each month? Write an equation that you could use to solve this problem, r Write the equation using the "WIRIS editor" button

Answer 1

Let

y ------> the total payment to the phone company monthly

x -----> the number of text

we have that

March

72.60=0.05x+35

solve for x

0.05x=72.60-35

0.05x=37.6

x=752 text

April

we have

565.85=0.05x+35

solve for x

0.05x=565.85-35

0.05x=530.85

x=10,617 text