Mathematics
Mathematics, 23.08.2021 23:30, miguelpoblano5673

Working together, Jenny and John can tar a roof in 4.57 hours. Had he done it alone
it would have taken John ten hours. Find
how long it would take Jenny to do it
alone.

answer
Answers: 2
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Working together, Jenny and John can tar a roof in 4.57 hours. Had he done it alone
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