2. A computer is on sale for $1146. If the original price was reduced by 40%, what was the original price of the computer? The original price of the computer was $.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?