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For The Mathematically Inclined

Submitted by Aadhaarshila (ATFS) - The Math and Science Institute
08/11/2003

PROBLEM # 1

Amy is twice as old as she was 10 years ago and Beth is half as old as she will be in 10 years. Who is older now? Amy or Beth?

PROBLEM # 2

Aaron has 3 times as much money as Josh. If Aaron gives Josh $50, Josh will then have 3 times as much money as Aaron. How much money do two of them have together?

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Please send your solutions to both problems to anil@lokvani.com.

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

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SOLUTIONS TO PROBLEMS ON 7/31/03

PROBLEM # 1

For the final step in a calculation, Paul accidentally divided by 1000 instead of multiplying by 1000. What should he do to his final answer to correct it?

SOLUTION

Multiply by 1,000,000.

PROBLEM # 2

For what number b>0 is it true that b divided by b% of b equals b.

SOLUTION

b = 10.

Winners

Congratulations to Prabhakara Bhat, Himanshu Bhatnagar, Kartik Ghorakavi, Shrikumar Nair, Latha Padmanabhan, Sarthak Pani, Rekha R., Chetan Rajadhyaksha, Rajesh Saluja, Swati Shirname, Harshal Tole, George Varghese and Lekshmi Venugopalan, who were all winners of the last set of problems.



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