Mrs. coronado spent $23 on a manicure. about how much money should she leave for a 15% tip?

She should leave $3.45 for a 15% tip

Step-by-step explanation:

15% tip of $23 = 0.15 x 23 = $3.45

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.