311(1.50)+.50x=385.50
would be your equation
721% is the right answer.
So first subtract 20 from both sides of the equation.
3x-4=35
now add 4 to both sides.
3x=39
now divide both sides by
x=13
Answer:
7.92
Step-by-step explanation:
0.99*8=7.92
380 - 18% of 380
= 380 - (18/100)×380
= 380 - 68.4
= 311.6
