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Veronika [31]
3 years ago
6

At a school

Mathematics
1 answer:
makkiz [27]3 years ago
8 0

Answer:

There are total 1240 students in a school.

Step-by-step explanation:

11:9

11 - 9 = 2

124 / 2 = 62

1 = 62

11+9=20

20 x 62 = 1240 Total Number of Students

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Step-by-step explanation:

\frac{1}{5} (2x+10)=4

Multiply both sides of the equation by 5.

5 · \frac{1}{5} · (2x+10)= 5 · 4

Simplify both sides of the equation.

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Subtract 10 from both sides of the equation.

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Divide each term by 2 and simplify.

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--------------------------------------------------------------------

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Substitute x for 6

\frac{1}{3} (3(6)+9)=9

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Add 18 + 9

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