Question

Recipe for 1lb of trail mix calls for 3.2 oz of cashews. How many ounces of cashews are needed to make 4lb of trail mix

Answer 1

`(1)/(4)` =
`(3.2)/(x)`

Cross multiply..

1x = 12.8
Divide 1 from both sides


`(1x)/(1)` =
`(12.8)/(1)`

x = 12.8
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Let's check our answer now..


`(1)/(4)` =
`(3.2)/(12.8)`

Cross multiply

12.8 = 12.8

Your answer is 12.8 :)