Help! What does x equal???

x = 20/9

Step-by-step explanation:

Step 1: Cross-multiply.

Step 2: Divide both sides by 3.

and you should get this :P

answer: the four apples you took away.

step-by-step explanation:

twenty-six miles over two gallons because the proportion for the original 13 miles to one gallon would be written 13/1 and, doing the same thing to the top and bottom, i multiplied by 2 and got 26/2