Deana made a scale drawing of her patio using a scale of 1/2 cm = 1 foot.

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.

Solve for the equation. 4x - 13 = 2x + 9

Iknow the answer but the calculator doesn't seem to give the right one