Question

If it takes 5lb of flour to make 3 loaves of bread, how much flour to is needed to make 7 loaves of bread?

Answer 1

5 / 3 = x / 7.....5 lbs flour to 3 loaves of bread = x lbs to 7 loaves
cross multiply
(3)(x) = (5)(7)
3x = 35
x = 35/3
x = 11 2/3 lbs of flour are needed for 7 loaves

Answer 2

11.6 lb flour is needed to make 7 loaves of bread.

Explanation:

Given : If it takes 5lb of flour to make 3 loaves of bread,

To find : how much flour to is needed to make 7 loaves of bread.

Solution : We have given that

Flour need to make 3 loaves of bread = 5 lb.

Flour need to make 1 loaves of bread =
`(5)/(3)` lb.

Flour need to make 7 loaves of bread =
`(5*7)/(3)` lb.

=
`(35)/(3)` lb.

= 11.6 lb flour.

Therefore, 11.6 lb flour is needed to make 7 loaves of bread.