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Popular >

720= n/2 (21+3)

Solution

720 = \frac{n}{2} (21 + 3)

Solution

n = 60

Solution steps

720 = \frac{n}{2} (21 + 3)

Switch sides

\frac{n}{2} (21 + 3) = 720

Add the numbers:

21 + 3 = 24

24 \cdot \frac{n}{2} = 720

Multiply fractions:

a \cdot \frac{b}{c} = \frac{a \cdot b}{c}

\frac{n \cdot 24}{2} = 720

Divide the numbers:

\frac{24}{2} = 12

12 n = 720

Divide both sides by

12

n = 60

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Frequently Asked Questions (FAQ)

What is the answer to 720= n/2 (21+3) ?
The answer to 720= n/2 (21+3) is n=60
Solve for n: 720= n/2 (21+3)
The solution is n=60