Austin takes 4 hours to make 2 backpacks and a handbag. The time he takes to make a backpack is twice the time he takes for a handbag. Find the time he takes to make a handbag.
b = 2h is given
2 b + h = 4 hours is given sub in the top equation
2 (2h) + h = 4
5h = 4
h = 4/5 hr or 48 minutes