As a fund raiser, Gaussville Elementary School bought 8 -slice pizzas for $\$ 6.85$ each. The school bought 55 pizzas and sold every slice. If each slice sold for $\$ 1$, the school's profit was
(A) $\$ 55.00$
(B) $\$ 57.75$
(C) $\$ 60.50$
(D) $\$ 63.25$
(E) $\$ 66.00$
Solution 1

Since each pizza consists of 8 slices and each slice is sold for $\$ 1$, then each pizza is sold for $\$ 8$ in total.

Since 55 pizzas are sold, the total revenue is $55 \times \$ 8=\$ 440$.

Since 55 pizzas were bought initially, the total cost was $55 \times \$ 6.85=\$ 376.75$.

Therefore, the total profit was $\$ 440-\$ 376.75=\$ 63.25$.

## Solution 2

Since each pizza consists of 8 slices and each slice is sold for $\$ 1$, then each pizza is sold for $\$ 8$ in total.

Since each pizza was bought for $\$ 6.85$ initially, then the school makes a profit of $\$ 8.00-\$ 6.85$ or $\$ 1.15$ per pizza.

Since the school completely sold 55 pizzas, then its total profit was $55 \times \$ 1.15=\$ 63.25$.