X+x+20+2x=180
4x+20=180
4x=160
x=40
Answer: 110 square inches.
Step-by-step explanation:
The volume of a rectangular box would be:

In this case, we know the volume, the length and the height, and we don't know the width, so we're going to isolate it:

Substituting the data:

This width is also the width of the top of the box, so the area of the top would be:

Answer:
95
Step-by-step explanation:

10th term of the sequence is 95.
Answer:
There is an incompletion here
"FOUND THAT THE --------- IS 58
Step-by-step explanation:
5x4=the amount of change. His total change was $20