Question

I purchase x pizzas, y 12-packs of soda, and z cupcakes for a party. If each pizza costs $7.50, each 12-packs of soda costs $3.25, and each cupcake costs $0.75, write an equation for the total cost t, in terms of x, y and z

Answer 1

t=7.50x+0.75z+3.25y