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makvit [3.9K]
3 years ago
11

In a class the ratio of boys to girls is 2:1. There are 8 girls. Work out the number of boys.

Mathematics
1 answer:
olga2289 [7]3 years ago
4 0

Answer:

16

Step-by-step explanation:

since the ratio is 2 to 1. 2 as boys and 1 as girls and there are 8 girls. Multiply 1 by 8 and you get 8 girls. multiply 2 by 8 and you get 16 boys.

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Answer:

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Given:

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To Find:

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Step-by-step explanation:

\sf Substituting \ values \ of \ F \ and \ M \ in \ F = MA:

\sf \implies 10 = 2.5A

\sf \implies 2.5A = 10

\sf Dividing \ both \ side \ of \  2.5A = 10 \ by \ 2.5:

\sf \implies \frac{2.5}{2.5} A  =  \frac{10}{2.5}

\sf \frac{2.5}{2.5}  = 1 :

\sf \implies  A  =  \frac{10}{2.5}

\sf \frac{4 \times  \cancel{2.5}}{ \cancel{2.5}}  = 4 :

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