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rafael counted a total of 40 white cars and yellow cars. There were 9 times as many white cars as yellow cars. how many white cars did rafael count?

Respuesta :

x- yellow cars 

9x-  white cars 

x  + 9x=40


10x = 40 / divided by 10 

 X= 4

there were 4 yellow cards and 36 white cars . hope this help you .
If x= Number of yellow cars then. White cars =9*x X +9x=40 10x=40 X=40/4=4 Number of yellow cars is 4 Number of white cars is 9*4 =36

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