Answer:
125
Step-by-step explanation:
First you add a one under the 45 than multiply the two numerators together than you should get 315 then multiply the two bottoms numbers now your answer should be 315/9 after that you divide 315 and 9 And than make that a mixed fraction and simply if needed
30 because 5and 10 have a least common multiple of 20 but including 15 it is 30 since 15 and 10 are the only important numbers
30 mph because the question actually states the answer