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Bumek [7]
2 years ago
15

At Southside Middle School, 30% of the students play an instrument. There are 310 students. How many students play an instrument

? 93 students 130 students 217 students 290 studentsAt Southside Middle School, 30% of the students play an instrument. There are 310 students. How many students play an instrument?
Mathematics
2 answers:
Drupady [299]2 years ago
5 0
OK, so I think you divide 30 by 310 which would be... 1 R 10  or fraction one and one-third 1 1/3
Does this help?
nadezda [96]2 years ago
5 0

Answer:

93 students

Step-by-step explanation:

We need to calculate the 30% of 310 students.

We can calculate with a direct rule of 3. If the 100% is 310 students, how many students are the 30%?

100 -\!\!\!-\!\!\!- \text{310 students}\\ 30 -\!\!\!-\!\!\!- \text{x students}

We use the formula of the direct rule of 3:

x = \frac {30 * 310}{100} \\ \\ x = \frac {9,300}{100}\\

x = 93

93 students play an instrument at Southside Middle School.

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