1986 AJHSME Problems/Problem 12
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Problem
The table below displays the grade distribution of the students in a mathematics class on the last two tests. For example, exactly one student received a 'D' on Test 1 and a 'C' on Test 2 (see circled entry). What percent of the students received the same grade on both tests?
Solution
We need to find the number of those who did get the same on both tests over 30 (the number of students in the class).
So, we have
Which simplifies to
See Also
1986 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 11 |
Followed by Problem 13 | |
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All AJHSME/AMC 8 Problems and Solutions |
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