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2 years ago

Ratio of boys to girls in a class of 27 is 1:2 how many boys will there be?

Mathematics

2 answers:

Sedaia [141]2 years ago

7 0

Answer:

Number of boys is 9

Step-by-step explanation:

Hint: number of girls added to number of boys must equal 27

27/3 = 9

boys: girls ratio is 1:2, so boys constitute 1/3 of the class

boys -> 1 x 9 = 9

girls -> 2 x 9 = 18

(to check, 9 + 18 = 27. If solution is still unclear, try drawing a pie of 3 equal components to represent a 1:2 ratio of slices)

labwork [276]2 years ago

6 0

Answer:

Ratio of boys is 13.5 i think

Step-by-step explanation:

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