kat9490
04.02.2020 •
Mathematics
Jill scored 18 times during one basketball game. she scored a total of 30 points, two for each field goal and one for each free throw. how many field goals did she make? how many free throws?
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Ответ:
Combine like terms.
n, 7n, 7n, 3n, and 3n are all like terms. These can be added together as 21n.
7 is the only term by itself.
Put these together to get 21n + 7.
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