A phone company advertises a new plan in which the customer pays a fixed amount of $25 per month for unlimited calls in the country, and $0.10 per minute for international calls. Write a rule in slope-intercept form for the monthly payment a customer pays accordingly to the new plan. Write ordered pairs for the monthly payment when the customer uses 90,120,145,and 150 international minutes in a month.

My equation: Y = $0.10(x)+25

Table :
x y
90 34
120 37
145 39.5
150 40

Question

A phone company advertises a new plan in which the customer pays a fixed amount of $25 per month for unlimited calls in the country, and $0.10 per minute for international calls. Write a rule in slope-intercept form for the monthly payment a customer pays accordingly to the new plan. Write ordered pairs for the monthly payment when the customer uses 90,120,145,and 150 international minutes in a month.

My equation: Y = $0.10(x)+25  

Table :
 x        y 
90     34
120   37
145   39.5
150   40

anonymous · Answer

Is this all right ? just wanna double check .OR was I suppose to minus 25 in the equation not +. ??

anonymous · Answer

I think you did it right! The 25 is part of the total whole. I have the same answer. Nice job!

anonymous · Answer

Thanks so much