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Novay_Z [31]
3 years ago
14

A. Three fifths of the students in the class are boys. If there are 15 boys in

Mathematics
2 answers:
AleksAgata [21]3 years ago
8 0

Answer:

25 students.

Step-by-step explanation:

15 = 3/5

divide by 3 to find 1/5 of the class

5 = 1/5

multiply by 5 to find 5/5 (100%) of the class

25 = 1

There are 25 students in the class.

Nana76 [90]3 years ago
5 0
Multiply by 5 to find 5/5
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Your averages and values are the following:
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Answer: You need a grade of 78 on the final exam to earn a final grade average of at least 87 in each grading system.

Step-by-step explanation:

(85 + 90 + 95 + x)÷ 4 =87

Simplify:

(270 + x) ÷ 4 = 87

Rearrange:

(x + 270) ÷ 4 = 87

Multiply terms to Reduce:

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Cancel Multiplied terms in Denominator:

x + 270 = 4 * 87

Multiply:

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Subtract 270 on both sides of the equation:

x + 270 - 270 = 348 - 270

Simplify:

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Step by step explanation!
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The correct answer for each is
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