If a pound of coffee costs $4, how many ounces can be bought for $1.80
Using our conversion calculator, we find
1 pound = 16 ounces
$4 per 16 ounces = 4/16
We can simplify this fraction to 0.25 per ounce
We take our 1.80 divided by 0.25 per ounce
1.80/0.25 = 7.2 ounces of coffee