Question

Linear inequalities
How many calls must be made to make plan a a better deal. plan a $45 a month unlimited calls. plan b $15 a month and $.10 per minute. write cost equation for plan a and plan b

Answer 1

b = 15$ + 1.0$ * (number of minutes)
a= 45$

we want b > a

15$ + 1.0$ * (number of minutes) > 45$