Ethan buys a video game on sale. If the video game usually costs $39.99, and it was on sale for 20% off, how much did Ethan pay? Round to the nearest hundredth. Type in only your number, do not include words or symbols in your responses.

Ethan would pay $31.99 and then rounded up to $32.00

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.

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13