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makaylarae8781
12.02.2022 •
Mathematics
Noah arrives home at 8:30 PM after spending 2 hours and 45 minutes practicing
archery in the backyard, and 2 hours and 30 minutes setting up for archery.
What time would Noah have had to go to the backyard? Include AM or PM in
your answer (for example, 11:58 AM)
Solved
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Ответ:
You just add 2x with 4x. That is, remove the parentheses and add up.
4x + (2x+y) -8 =
4x + 2x + y - 8 =
6x + y -8