book Maths Puzzle Numerical Ability

can you give me all the roman numerals

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I can't even remember my college algebra much less anything else but, I have a request to help me solve a problem.

I have $9.00 to spend and must purchase precisely 100 pieces o Madison drives to work at a speed of 45 mph and arrives 1 min early. At 40 mph, she would arrive 1 min late. HOw long is her trip to work?