Owen bought 12 boxes of face masks that cost $9 per box. Each box has 50 pieces of masks. He repacked 6 of these boxes and sold them for $5 per 25 pieces. He sold the remaining 300 face masks in baggies at the rate of 10 pieces of mask for $3. How much profit did he make?
Owen bought 12 boxes for a total of $9/box x 12 boxes = $<T>multiply(9, 12)=108
Six boxes contains 6 boxes x 50 masks/box = <T>multiply(6, 50)=300 face masks.
Owen made 300 masks / 25 masks/repack = <T>divide(300, 25)=12.0 repacks.
So, his revenue for selling those repacked face masks is $5 x 12 repacks = $<T>multiply(5, 12)=60
There are 300 masks / 10 masks/baggy = <T>divide(300, 10)=30.0 baggies face masks.
So, his revenue for that is $3/baggy x 30 baggies = $<T>multiply(3, 30)=90
Hence, his total revenue for all the face masks is $60 + $90 = $<T>add(60, 90)=150
This gives him a profit of $150 - $108 = $<T>subtract(150, 108)=42
