Answer:
1st question is 1:2
2nd question is 5
Step-by-step explanation:
15 times two is 30, so if you divide both 15 and 30 by 15, you get 1:2
Divide 300 and 60 and you get 5.
Answer:

Step-by-step explanation:
Hello,
let's solve


There are two solutions

And

So we can write

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