Answer:
50
Step-by-step explanation:
4 books = 200
1 book = x
Now do cross multiplicaton and divide:
1 x 200 ÷ 4
200 ÷ 4
3 3/4 cups of sugar
98%
R = 12
L = 84
R + L =96
L = 7R
R = 1R
1 R + 7R = 8R
hope it helps,