Multiple choice which value of x makes the equation 4x- 12=3x- 9 true?

Marcus built a model car that is 4 inches wide. what scale was used to build the car if the actual width of the car is 6 feet? a. 1 in. = 2 ftb. 1 in. = 2.5 ftc. 1 in. = 1.5 ftd. 1 ft = 1.5 in.

Answer question above and explain each step : )

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package