Answer:
Step-by-step explanation:
Solve simultaneously
-5x-3y=9
4x-187-54=0
4x=241
x=60.25
To get y
Substitute for x in equal one
-5(60.25)-3y=9
-301.25-3y=9
-3y=9+301.25
-3y=310.25
y=-103.4
Answer:
6 hours
Step-by-step explanation:
6.50 - 2.00 = 4.50
4.50 ÷ 0.75 = 6
9/12 is number 1. and Number 2 is 1/2 =4/8 and that is 1/2
Youre finding 9.75% of 519 you know its going to be near 50 dollars
your answer is 50.695125
or 50.70$ tax
519.95+50.7 = 570.65$ total
