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For The Mathematically Inclined

Anil Saigal
11/23/2017

Problem 1

A recipe calls for butter and sugar in the ratio 2:3. It calls for a sugar and flour ratio of 4:5.  If you're using 1 cups of butter, how many cups of flour should you use?


Problem 2
If we have to make at least 30 cups of above recipe and we can only add ingredients in increments of cups.  What is the minimum quantity  (in cups) we can cook?


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Please send your solutions anil@lokvani.com. 

Use Problem Solutions M-112317 as the subject line. Please include your full name in the text of the main message. Everyone with the right answer will be acknowledged in the next issue of Lokvani. 

Please do not post your solution in Post Comments. No credit will be given for solutions not sent to anil@lokvani.com. 

If you need clarification on any problem, please contact anil@lokvani.com. 

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Problems from 11/09/17


Problem 1
At 9 am a car A began a journey from a point, traveling at 40 mph. At 10 am another car B started traveling from the same point at 60 mph in the same direction as car A. At what time will car B pass car A?

 
Problem 2:
Two cars left, at 8 am, from the same point, one traveling east at 40 mph and the other travelling south at 60 mph. At what time will they be 500 miles apart? 
Bonus: At what time will they be 500 miles apart if one car is travelling in south east at 40 mph and other is travelling in south at 60?


Congratulations to Ramachandran Balakrishna, who was the winner of the last set of puzzles.



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