Answer:
y= 35+0.5x
Explanation:
Step one:'
given data
Juan cell phone company charges $35 a month for phone service plus $0.50
let the number of months be x
and the total charges be y
Step two:
the expression for the situation can be modeled as
y= 35+0.5x
Hence you can plug in the amount spent for the month for y and solve for x