Answer:

Step-by-step explanation:
Invert and multiply the way you would any fraction division problem. Then cancel common factors from numerator and denominator.

Answer:
22.5
Step-by-step explanation:
30/4=7.5
7.5 times 3 = 22.5
Mark brainliest plz!
Answer:
answer is 10
Step-by-step explanation:
Because it is 38 feet right? and the building is 25 feet. 38-25=13. round it to nearest tenth, you get 10.
I think it is 21 and 50. The only common factor they have is 1.
All the others are divisible by 1 & 3.