Math is Fun by joseph degrazia

By joseph degrazia

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Two boys with only one bicyde. Two boys want to see a football game together and want to get to it as quickly as possible. They have only one bicycle between them and decide to speed up their arrival by having one of them use the bike part of the way, leave it at a certain point and walk the rest of the route, while the other is to mount the bicycle when he reaches it and bike to the common point of destination, which the two are to reach simultaneously. This problem and its solution are, of course, elementary.

An angry passenger wants to know why the train is so late, and the engineer informs him that the train would have arrived 40 minutes earlier if the location of the accident had been 50 miles nearer to the destination. This information did not pacify the angry traveler entirely but it may help you find out how far Beetown is from Aville; how long the trip should have taken according to the time table, and what the train's usual speed is. 94. A complicated way to explore a desert. Nine explorers, with as many cars, go about exploring a desert by proceeding due west from its eastern edge.

Each car can travel 40 miles on the one gallon of gas its tank holds, and can also carry a maximum of nine extra gallon cans of gas which may be transferred unopened from one car to another. No gas depots may be established in the desert and 61 all the cars must be able to return to the eastern edge camp. What is the greatest distance one of the cars can penetrate into the desert? 95. Relay race. At a relay race the first runner of the team hands on the baton after having raced half the distance plus half a mile, and the second after having run one third of the remaining I', - - - -- - - distance plus one third of a mile.

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