Question

An alloy is 70% iron. How much of this alloy do you need if you want to obtain 50.35 lb of iron?

Answer 1

Use proportions. X is what you want.

70 50.35lb

__ = _____

100 x

Cross multiply to get 70x = 5035

Solve to get about 71.93 lbs of the alloy.

Answer 2

1007/20

Explanation:

You helped me so i help you. Here you go my friends sorry i dont have an explanation. Good luck !