Question 106223
let g be the cost of the candy he gained on.
let L be the cost of the candy he lost on.
.
g+.2g=1.20
1.2g=1.20
g=1.20/1.2
g=$1.00
.
L-.2L=1.20
.8L=1.20
L=1.20/.8
L=$1.50
.
His cost for the 2 candies was $2.50 and he sold them for $2.40
His loss was 10 cents on the deal.
.
Ed