Suppose that y varies inversely with x. use the information to find k, and then choose the equation of variation. x = 13 when y = 100.

To solve this problem you must apply the proccedure shown below:

1. You have that varies inversely with and when the value of is .

2. Therefore, you can write the following expression, where is the constant of proportionality:

3. Solve for the constant of proportionality and substitute the values to calculate it:

4. The equation is:

The answer is:

to rewrite a literal equation you may need to divide by a number, or by a variable.

hope i .