It will take her 51.4 minutes.
Explanation:
You would do 12/7 and then multiply that answer by 30.
Answer: 3/7
Step-by-step explanation:
3/4 of 4/7 is the same as 0.75*4/7 which equals 0.429 or as a fraction is 3/7
Answer:

Step-by-step explanation:

Calculate the product:

Rearrange the terms:

Combine like terms:

Calculate:

Answer: 1. 4, 2. 2,
Step-by-step explanation: The small tire would make about 4 rotation, the big tire wold make about 2 rotations
Hope this helps :)
Z+5 that's it sorry had to put at least 20 characters so good luck. To clarify, it is z+5