Addition + Subtraction + Division and Multiplication

Question

If i do something 445 times in 1min and 30 seconds how many can i do in a hour

Answer 1

1780 in one hour

445 in 1 minute and 30 seconds = 445 in 3/2 minutes

1 hour = 60 minutes

60 minutes = 40 times 3/2 = 40(3/2) = 60

445 times 40 = 17,800 times in one hour