Question

A school order three different types of pizzas to sell of a fundraiser there are eggs cheese pizzas why pepperoni pizzas in Z vegetarian pizzas the total cost in dollars of the pizza is given by the expression 10x + 12y + 14z what does the coefficient in the expression represent?

Answer 1

You have the following expression for the cost of three different type of pizzas, x, y and z.

$10x+12y+14z$

If the previous expressions determines the cost of the pizzas in dollars, due to buy certain number of x pizzas, y pizzas and z pizzas, then, the coefficients means the cost in dollars for each type of pizza. Hence, each x pizza costs 10 dollars, each y pizza costs 12 dollars and each z pizza costs 14 dollars.