Answer:
$11.50
Step-by-step explanation:
I believe that $11.50 is the amount that Luke owes to his parents because their parents let them go beyond their allowances. Right now Luke is at debt for $-11.50 and has to pay their parents $11.50.
MARK ME AS BRAINLIEST , THANK ME AND VOTE 5.0
Answer: -1
1- -3 equals 1+3 = 4
4 - 5 equals -1
Answer: 3(500+x)=1800
$1.80
4x = 7.20
x = 1.80