Answer: Please Read Below
Explanation:
1. The answer is 2.52km/min
The reason why is that there are 60 secs in a minute so if we converted them to minutes our answer is 42x60 which is 2520metres
2. The answers is 1.25ft/s
The reason why is that if we divide 4500/3600 (3600 is how many secs are in an hour) the answer is 1.25ft. We can cancel out the zeros and our answer could also be 45/36ft/s
3.
5280ftx8 = 42240ft and divide by 60 = 704ft/min
4. 15cm/min
900/60=15
5. 0.125mi/min
7.5mil can be converted to 7500 and then divided by 60 = 125 and converted back is 1/8 of a mile or .125 of a mile
6. 2880 pints/h
1gal = 8pints
so 6gal = 48pints
48pints x 60 = 288 x10 pints which is 2880
Hope you get 100% mate :D