4) Working together, Jenny and John can tar
a roof in 4.57 hours. Had he done it alone
it wou...
Mathematics, 18.08.2021 01:50 Hilljos018
4) 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.
Answers: 2
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