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Omni-MATH / Chris received a mark of 50% on a recent test. Chris answered 13 of the first 20 questions correctly. Chris also answered 25% of the remaining questions on the test correctly. If e…

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problem

Chris received a mark of 50%50 \% on a recent test. Chris answered 13 of the first 20 questions correctly. Chris also answered 25%25 \% of the remaining questions on the test correctly. If each question on the test was worth one mark, how many questions in total were on the test?
Plain-text mathematical notation (without MathML)
Chris received a mark of 50% on a recent test. Chris answered 13 of the first 20 questions correctly. Chris also answered 25% of the remaining questions on the test correctly. If each question on the test was worth one mark, how many questions in total were on the test?
Original LaTeX notation
Chris received a mark of $50 \%$ on a recent test. Chris answered 13 of the first 20 questions correctly. Chris also answered $25 \%$ of the remaining questions on the test correctly. If each question on the test was worth one mark, how many questions in total were on the test?

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Source and history

task_id
087247c8-b58c-580b-922b-743d36dcca72
task_key
test--087247c8-b58c-580b-922b-743d36dcca72
task_revision_id
1
config / split
/ test

Official source

initial import