1995 AJHSME Problems/Problem 4
Problem
A teacher tells the class,
"Think of a number, add 1 to it, and double the result. Give the answer to your partner. Partner, subtract 1 from the number you are given and double the result to get your answer."
Ben thinks of , and gives his answer to Sue. What should Sue's answer be?
Solution
Ben adds to , getting . Then Ben doubles it, to get . He gives this number to Sue. Then Sue subtracts from the number, to get . Finally, Sue doubles the result to get , and the answer is .
See Also
1995 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 3 |
Followed by Problem 5 | |
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All AJHSME/AMC 8 Problems and Solutions |
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