Mattie ordered 51 vegetable pizzas and pepperoni pizzas for the eighth-grade party. The number of vegetable pizzas, v, was 3 more than 5 times the number of pepperoni pizzas, p. How many pepperoni pizzas did she order?
+781 We can form an equation for the relationship between vegetable pizzas and pepperoni pizzas.
v=5p+3.
The total number of pizzas is v+p=51. Substitue 5p+3 for v and solve for p.
(5p+3)+p=51
6p+3=51
6p=48
p=8 pepperoni pizzas.
