A plumber chargers $75 for the first one-half of a service call and an additional $45 for every additional half hour. Write an expression that can be used to find the cost for h half hours.

you already gave the answer

step-by-step explanation:

all you have to do is multiply them both to see how many out comes you can put:

3 x 2 = 6

you can make 6 diferent combinations of crusts and toppings.

~batmans wife dun dun

8 < i think

hope this !