Answer:
15
Step-by-step explanation:
Okay, so we know that Base*Length=Area, so we just have to divide the area by the base, so the formula here is Area/Base=Length.
That would get us 120/8=Length,
and if we just divide 120 by 8 we get 15, so the length is 15
In the attachment this is how i did it! ~Best of Luck~
7x2.2 is 14.4 then you will need to multiply 3x2.2 then add them up
