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Jeff is lining up children’s and adult's bicycles at the bike shop where he works. The number of adult's bicycles is nine less than three times the number of children’s bicycles. There are 42 adult bicycles. How many children’s bicycles are there?

Respuesta :

PHG

Answer:

Step-by-step explanation:

x=child bikes

42=adult bikes

So when we put it as a equation it turns to

42=3x-9 (Add on 9) this will then be

51=3x (divide by 3, as 51 is a multiple of 3)

17=x

X=17

There are 17 childrens bikes

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