Question

Art bought a 4 boxes of pens, but gave his friend Ben 8 pens, and now has a total of 112 pens. How many are in a box? (what equation represents this word problem?)

Answer 1

4x-8=112 x is the number of pens in each box.

Answer 2

In a box there are
`30\ pens`

Explanation:

Let

x------> the number of pens in a box

we know that

`4x-8=112` ------> equation that represent the situation

Solve for x

Adds
`8` both sides

`4x-8+8=112+8`

`4x=120`

Divide by
`4` both sides

`x=120/4=30\ pens`