Question

Melanie uses 13

1
3
of her supply of cranberries to make bread and 49
4
9
of her supply of cranberries to make granola. If Melanie uses 7 pounds of cranberries, how many pounds of cranberries are in her supply?

Answer 1

She has 9 pounds

Explanation:

Given

`Bread = (1)/(3)`

`Granola = (4)/(9)`

`Used = 7`

Required

The total in her supply

Represent the cranberry with c.

So:

`(1)/(3)c + (4)/(9)c = 7` ---- Used cranberry

Take LCM

`(3c + 4c)/(9) = 7`

`(7c)/(9) = 7`

Solve for c

`c= 7 * (9)/(7)`

`c= 9`