Answer:
1 hour and 57 minutes
Explanation:
4 and 1/5 in decimal form is 4.2
2 and 1/4 in decimal form is 2.25
4.20-2.25= 1.95 also 1 95/100= 1 19/20
to get 20 to 60 you multiply by 3 so 19*3 is 57/60
also known as 1 hour and 57 minutes
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