kathy m.

Suppose that a certain municipality uses the equation y=3(x-50)+30 to determine the fine assessed a car which exceeds the 50 mph speed limit. Let x=speed of the car (in mph) and y=corresponding fine in dollars. a)What is the fine for traveling at 55 mph?...

In 1993, 90 houses were built. in 1997, 102 more houses were built. find the average rate of change in the number of new homes built. express the result in terms of new houses built per year. a. 1/3 b. 102/90 c. 3/1 d. 5/2 could you explain it too? i don'...

i just really need help with c. i know a is $45 and b is 102 mph but i don't get c

yeah, i found out b was wrong after working it out again, but thanks so much for explaining c~

oh, i got it now thanks