Question

The length of a box is one more than twice its width,and its height is the sum of the length and width,what is it volume?

Answer 1

hope this image help you understanding more easy and solve it correct just you need to know formula for volume of a rectangular box

Answer 2

old question but will respond so this can be closed

"length of a box is one more than twice its width" ---> so L = 2W + 1
"height is the sum of the length and width" ---> so H = L + W

and it wants the volume. now, it doesn't say exactly how they want you to express the volume (in terms of what variables) but I have a hunch they want it in terms of W based on the information in the problem

so V = LWH, plug in the appropriate quantites from above into this formula and expand as needed