Answer:
7:5 is the same as 21: 15
Step-by-step explanation:
21/7 = 3 and 3*5=15
i divided 21 by 7 to see how many times it was multiplied to get there, so i could do the same thing to the 5
I hope this helps :)

Step-by-step explanation:

15w
the answer is 15 w.
add 9+1+5
Answer:
The answer is 5 over 7
Step-by-step explanation: