1 and 47, because 47 is a prime number.
It is 3out of 100 for your answer
23 miles per hour is 2024 feet per minute
Alan goes at 1600 and Barry goes at 2024
So, Barry goes faster
Hope this helps!
2.5
Explanation: x is a number being multiplied by 2 so if the answer needs to be 5 then 2.5 times 2 is 5
Mathplanet.com will explain everything to you and there is even a video to watch . Hope this helps you . Are there is videos on you tube called math antics .