Open Question: how would you solve this equation?

let x=kg of candy 1 (10% fat)
let y=kg of candy 2 (60% fat)

x+y=100
0.1x+0.6y=50

solve the system of equations. one way is substitution
x=y-100
0.1(y-100)+0.6y=50 solve this for y, then you can find x

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