The problem wants you to add both
8m+3
Because sum means adding so you add 8m and 3
Answer:
11/18 miles
Step-by-step explanation:
3 2/3=11/3
2/12=1/6
1/6*11/3=11/18
Just multiply 20 x 30 and you get 600 and that is your answer :3<span />
14:

56/8 = 7 so multiply 1/2 by 7/1 to get the unidentified fraction "x/y"
1/2 · 7/1 = 7/2 or 3 1/2
15. 
to get from 100 to 5, you would divide by 20, so to solve for x, multiply 2 by 20, to get a product of 40.
40/100 = 40% or D
16.
A