Question

Anna is using a 6 and a 1/2 pound bag . After using the salt 2/5 of the bag remains . How many pounds of salt did Anna use to pour on snow

Answer 1

We will simplu subtract 2/5 from 6 1/2

6 1/2 - 2/5

9/2 - 2/5

`(9)/(2)-\text{ 2/5 =}(45-4)/(10)`
`=(41)/(10)`
`=4\text{ }(1)/(10)`