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Mathematics
Percentages
Problem Solving
peggy was taking a timed 90 question test she was able to correct 90% of the questions how many questions did she answer correctly
1 answer
90% as a decimal is 0.9. If you multiply 0.9(the result on the test)x90 (how many questions there were) you get 81. Peggy got 81 questions right out of 90 which is 90%.
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