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QUESTION

# A ship left port A with a speed of 40 mph. In 1 1/4 of an hour, a second ship left the port with a speed of 60 mph. In how many hours and at what distance from port A will the second ship catch up wit

A ship left port A with a speed of 40 mph. In 1 1/4 of an hour, a second ship left the port with a speed of 60 mph. In how many hours and at what distance from port A will the second ship catch up with the first one?

Two buses left town A for town B at the same time. The speed of one of the buses was 10 mph greater than the speed of the other bus. In 3 1/2 hours one bus reached town B, while the other bus was away from town B at a distance equal 1/6 of the distance between A and B. Find the speed of the buses and the distance between A and B.

If you add 7 to a number, multiply the sum by 3, and subtract 47 from the product, you will get the number you started with. What is the number?