Question

The basd of a rectangle is 7 cm less than three times its height if the base is 5 cm( what is tge area of the rectangle in square centimeters?

Answer 1

First you should put what you know into equations

Answer 2

base=5cm
base=3(height)-7
5=3h-7
12=3h
h=4
area=5*4
=20cm^2