x(1-2/5)(1-1/3) = 56
x = 140
check
spent 2/5 of 140 = 56, leaving 84
spent 1/3 of 84 = 28, leaving 56
I used 2/5 of my money in one store and 1/3 of what remained in a second store. If I had exactly 56 pesos left how much money did I have at first?
2 answers
280 pesos