Is there a proportional relationship between time and the cost of the cell phone plan? Explain how you know.

Yes, because the graph goes through (0,0) since there is a start up fee.

Step-by-step explanation:

$450

step-by-step explanation:

first, you have to multiply 150x2=300

next, you have to add 150+300= 450

if a = 1,   and b = 2, then the answer is 47.99999999. if you round that to the nearest whole number, the answer is 48.