Answer:

Step-by-step explanation:
Let the number be x
Given

Required
Find x

Collect Like Terms

Take LCM


Multiply both sides by 6


Divide both sides by -3


Hence, the number is 
The surface area would be 150cm and the volume would be 125cm. To get volume you do 5 cubed to get the answer 125. To get surface area you would do 5 multiplied by 5 multiplied by the cubes 6 sides to get 150.
29.99-20%= 23.99
25.00-10%= 22.50 so, Mr.chang got the better deal ( but not by much.)
Answer:
3
Step-by-step explanation:
i'm not really sure if i'm correct
Answer: its B
Step-by-step explanation: