The force, f, needed to break a board varies inversely with the length, l, of the board. if it takes 24 pounds of pressure to break a board that is 2 feet long, how many pounds of pressure would it take to break a board that is 5 feet long?

9.6 pounds of pressure

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form or

so

In this problem

step 1

Find the value of k

For

substitute

The equation is equal to

step 2

For

Find the value of F

substitute the value of L in the equation

70

step-by-step explanation:

the photograph is photographer and- in the process- ourselves.

step-by-step explanation: