You have $16 and a coupon for a $5 discount at a local supermarket. A bottle of olive oil costs $7.

You have $16 and a coupon for a $5 discount at a local supermarket. A bottle of olive oil costs $7. How many bottles of olive oil can you buy?

A $5 discount gives you $16 + $5 = $21 of buying power.

With olive oil at $7 per bottle, we have $21/$7 = 3 bottles of olive oil you can purchase