Melanie needs 75% of sugar solution to conduct an experiment.However she only has 40% and90% sugar solution available .how much each solution must she use in order to obtain 60L of the75% of solution?
Please answer now , it's very important!!
2 answers
Try making a chart
x + y = 60
.4 x + .9 y = .75 (60)
.4 x + .9 y = .75 (60)