How do I cross multiply if the variable is on the right fractions top?

Example:

7/8 = X/12

You go to a school in a college town. you know that there are 2000 students enrolled in the school, but you don't know the population of the town (without students).

Joe has 45 minutes before baseball practice he spends 10 minutes changing 10 minutes eating and rest of the time doing his homework write an equation to express how long Joe spent doing homework

What is the answer to y=-3x-4 3x+y=2

How is has's mother being impacted by the war

Cody has a strip of paper 10 centimeters long he cut it into three pieces one piece is 4 centimeters long the second piece is 3 centimeters how long is the third piece

1 / 2 y + 2 / 5 = 4 2 / 5

Describe the relationship between the variables. There is no relationship between the variables. As the age increases, the height increases. As the age increases, the height decreases. As the height decreases, the age decreases.

The area of a rectangular garden is 96 square meters. The width is 4 meters longer than one-third of the length. Find the length and the width of the garden.

Kelly needs 1/8 cups of sugar to make 1/4 of her cookie recipe. How much sugar does she need to make the entire recipe?

Reduce the fraction 36/48 to its lowest terms. a) 112/48 b) 11/4 c) 6/8 d) 3/4