Answer:
Formula: width x depth x height
Step-by-step explanation:
times 100 and 3. As we know that the formula for a box is width x depth x height.
We need to measure the box from all side so 4 sides. so times the 2 number by 2 cause there is 4 sides each.
Hope this helps
Answer:

Step-by-step explanation:

Answer:
It would be the 4th one and the last one I think
Step-by-step explanation:
Answer:
30 dollars
Step-by-step explanation:
40% of 100 = 40. 40% of 50 = 20. 50-20 = 30.