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Mathematics > Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer. 

If s equals 1 plus (1 over 2) plus (1 over 4) plus (1 over 8) plus (1 over 16) plus (1 over 32) and t equals1 plus (1 over 2) times s, then t exceeds s by

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The question asks by how much “t exceeds s,” which can be interpreted mathematically as the value of t minus s. Since s is defined and t is given in terms of s, this expression can be evaluated with one substitution to find the answer.

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