7.3 Exercise 117

Multi-pack purchase Adele’s shampoo sells for $\$\text{3}.\text{97}$ per bottle at the drug store. At the warehouse store, the same shampoo is sold as a $\text{3}-\text{pack}$ for $\$\text{10}.\text{49} .$

1. ⓐ Show how you can use the distributive property to find the cost of $3$ bottles bought individually at the drug store.

2. ⓑ How much would Adele save by buying the $\text{3}-\text{pack}$ at the warehouse store?