# Sara can lift a 10-pound weight by applying 30 pounds of force to a lever. If the amount of force Sara needs to apply to a lever is proportional to the weight she can lift, how much force would she need to apply in order to lift a 25-pound weight?

##### 1 Answer

Jun 30, 2018

#### Explanation:

We know that the force she applies to the lever is directly proportional to the weight she can lift.

So, we get: