Question

samantha mixes some amount of 25% sugar syrup with x grams of 10% sugar syrup. the result is120 grams 15% sugar syrup. how many grams of 25% sugar syrup did samantha use?

Answer 1

Final mixture is 120 gm

x = 10% then (120-x) = 25%

.25(120-x) + .1 (x) = .15 (120) solve for x= 10% amount

then 25% amount = 120-x

Explanation: