## Algebra 1: Common Core (15th Edition)

(Let n be the number of bottles of olive oil we can purchase. Each bottle costs 7 dollars, so multiply n by 7. Since you have a 5 dollar coupon, you can subtract 5 from the cost. You have 16 dollars so set the equation equal to 16.) $7n-5=16$ (Add 5 to both sides) $7n=21$ (Divide by 7) $n=3$