faithyholcomb
27.12.2019 •
Mathematics
If there are 6 hours in a school day, 5 school days in a week, 4 school weeks in a month and 9 months in a school year, how many hours are there in a school year?
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Ответ:
Ответ:
1080 hours
Step-by-step explanation:
Ответ:
3 • 9f = 27f
3 • -13 = -39
18 + 27f - 39
Now combine like terms.
18 - 39 = -21
27f - 21 is the simplest form of this expression.
27f - 21
Hope this helps!