Question

there are 4 grams of fiber in 1/2 cup of oats
how many grams of fiber are in 3 1/2 cups of oats
A 7
B 12
C 14
D 28

Answer 1

first, find out how many cups equal to 1 gram

Answer 2

do you know how to do this?

Answer 3

4/(1/2) = x/ (3 1/2)
cross multiply (turn mixed number to improper fraction ---> 3 1/2 = 7/2
(1/2)x = 4 * 7/2
(1/2)x = 14 -- divide both sides by 1/2
x = 14 / (1/2)
x = 14 * 2/1
x = 28
so there is 28 grams of fiber in 3 1/2 cups of oats