You can
put this solution on YOUR website!The statement: "Cheryl and her friends buy a pizza for $15.00 plus a delivery charge of d dollars" translates to
. So if the "delivery charge is $2.50", this means that
. So simply replace the "d" in
with 2.5 to get
. So the total cost is $17.50.
Note: this may seem like more work than it should be (you could have simply added the two numbers). However, later on, you'll find that you need to algebraic expressions to solve more difficult problems. So it's always helpful to get used to dealing with algebraic expressions through lots of practice.
