tristanmoss8 tristanmoss8

26-08-2020
Mathematics

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The ratio of girls to boys in an Algebra class is 6 to 7. If there are 18 girls, how many boys are there?

Respuesta :

altavistard altavistard

26-08-2020

Answer:

21 boys

Step-by-step explanation:

Girls Boys

6 7 <= reflects the 6:7 ratio mentioned in the problem

---------- = ----------

18 x

Cross multiply to determine x:

6x = 7(18), or x = 7(3), or x = 21

There are 21 boys when we have 18 girls.

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