dillon pays x dollars to get a haircut. he gives the stylist a 20% tip the expression representing his total cost is x + 0.2x

Step-by-step explanation:

Step one:

given data

we are told that Dillon paid $x for a haircut.

and gave a tip of 20% of the amount he paid, this is expressed as

=20/100*x

=0.2x

Let the total amount he paid, that is haircut plus tip be y

the expression for the total amount is

     here x represents the amount he paid

              0.2 represents 20% of the haircut

4.08%

step-by-step explanation: