# Jim weighs 30 pounds less than Tom, and together they weigh 210 pounds. Let #n# Tom's weight in pounds. What would be the equation that expresses the total of Jim's and Tom's weights?

##### 1 Answer

Mar 29, 2018

Jim and Tom's total weight is expressed by

and solving this equation tells us that Tom weighs 120 pounds, and Jim weighs 90 pounds.

#### Explanation:

If

So an equation for their total weight would be

We could then continue to solve for

Tom weighs 120 pounds.

Jim's weight is then

Jim weighs 90 pounds.