I need awnsers for questions 1, 3, and 5! WITH WORK PLEASE! GIVING BRAINLYST!

Answer:
number one is the 45 feet number three is the 12 one i think and five is 70
Step-by-step explanation:
number one is 45 because you basically bring it down to the lowest numbers you can and do the same thing with three and five
Answer:
Question 2. 1/30
Step-by-step explanation:
If we turn these numbers into fractions it would be --- 10/60 and 5/25.
We are trying to see who walks faster. So we need to subtract.
10/60 - 5/25 = 10/300.
If we were to simplify this it would be that 10/300 = 1/30.