First, let's make some variables then make an expression.

Let x = the number of pizzas
Let y = the number of salads

Then 12x = the price for x pizzas
Then 2y = the price y pizzas

Now we can make our expression.

We combine the costs for the pizzas and salads and delivery charge is added.

12x + 2y + 3

Now we have our expression. Replace the x with how many pizzas you bought and replace the y with how many salads you bought.

How much would 6 pizzas and 3 small salads would cost?

12(6) + 2(3) + 3 =
72 + 6 + 3 =
78 + 3 =
81

The answer to this question is $81.

EDIT:

I want to give a thank you to Irspow for finding my error!

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3 years ago

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