Answer:
Step-by-step explanation:
3.0
which problems? i can teach you how to do them if you want me too.
2.87*100/0.1*100=287/10=28.7
Answer:
3x+15
Step-by-step explanation:
When it says "the sum of a number three times", it means 3x, because the x stands for multiplication and the problem says the sum sum is between 3x and the number 15. So your equation is 3x+15. Hope this helps ;)
