# ACT Math : How to solve for a variable as part of a fraction

## Example Questions

### Example Question #21 : How To Solve For A Variable As Part Of A Fraction

Solve for :

Explanation:

First, cross multiply:

### Example Question #22 : How To Solve For A Variable As Part Of A Fraction

Solve for :

Explanation:

First, cross-multiply:

### Example Question #23 : How To Solve For A Variable As Part Of A Fraction

Solve for :

Explanation:

First, cross-multiply:

### Example Question #24 : How To Solve For A Variable As Part Of A Fraction

Solve for :

Explanation:

Begin by cross-multiplying.

### Example Question #25 : How To Solve For A Variable As Part Of A Fraction

Solve for :

Explanation:

Begin by cross-multiplying.

### Example Question #26 : How To Solve For A Variable As Part Of A Fraction

Solve for :

Explanation:

Begin by cross-multiplying.

Now, solve for .

### Example Question #3101 : Act Math

Solve for :

Explanation:

Begin by cross-multiplying.

Now, solve for

### Example Question #3102 : Act Math

Solve for :

Explanation:

First, cross-multiply.

Now, solve for

### Example Question #3103 : Act Math

Solve for .

Explanation:

First, cross multiply.

Now, simplify and solve for .

Solve for .