Question

Natalie paid $20.7 for 3 small pizzas and a salad which was $3.

Answer 1

20.70=3p+3
17.70=3p
$5.90=p
So if you only needed the equation to describe the word problem it is
$20.70=3p+3

If you want to know how much each pizza was it is $5.90; salad $3.00