PROBLEM #1

The distance between Station Atena and Station Barcena is 84 miles. A train starts from Atena towards Barcena. A bird starts at the same time from Barcena straight towards the moving train. On reaching the train, it instantaneously turns back and returns to Barcena. The bird makes these journeys from Barcena to the train and back to Barcena continuously till the train reaches Barcena. The bird finally returns to Barcena and rests. Calculate the total distance in miles the bird travels if he bird flies at 80 miles per hour and the speed of the train is 60 miles per hour.

PROBLEM #2
 
The 10" pizza sells for $4.99 at my favorite pizza store. The store claims they have a great deal on the large 14" pizza, which is specially priced at $8.80. What is the per cent discount the store is offering?
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Problems from 06/05/14

PROBLEM #1
"Sister, you have as many brothers as you have sisters." "Brother, you have twice as many sisters as you have brothers." Can you deduce from this conversation how many children there are in the family?

Solution

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