All you have to do is multiply 80*1.15
need more information about the line
I assume you want a common denominator.
So you see that the 5/12 has a denominator of 12, so you need to rename the 7 so it also has a denominator of 12.
7 is the same as 7/1. So multiply the numerator and denominator by 12 to get 84/12.
Answer:
10560
24
4
18
576
Step-by-step explanation:
multiply & add