If the math adds up the submarine will travel .6 km in .25 hours.
Please comment on this answer and give me a full question and I will be just fine answering it for you.
I believe it’s 80 hope it helps
2250
50*(2+100)/2
50*102/2
50*51
2250
Divide using long division. The whole number portion will be the number of times the denominator of the original fraction divides evenly into the numerator of the original fraction, and the fraction portion of the mixed number will be the remainder of the original fraction division over the denominator of the original fraction.
3 and 3 over 6