Question

Three friends split the cost of a pizza and a salad. The pizza costs $15 and the salad costs $6.

Answer 1

21/3=7 or 7x 3=21
hope tis helps

Answer 2

EAch one would pay $7. Each one would pay $5 for the pizza(15/3=5) and would pay $2 for salad(6/3=2) Alternatively, total up $15 and $6($21). Then divide($21/3=7)