SOLUTION: You have 40 cars. There 9 times as many white cars as there are yellow cars. How many white and yellow cars are there
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-> SOLUTION: You have 40 cars. There 9 times as many white cars as there are yellow cars. How many white and yellow cars are there
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Question 660123
:
You have 40 cars. There 9 times as many white cars as there are yellow cars. How many white and yellow cars are there
Answer by
ReadingBoosters(3246)
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x = white cars
y = yellow cars
x+y = 40
9y = x
Substitution
9y + y = 40
10y = 40
10y/10 = 40/10
y = 4 yellow cars
x = 9(4) = 36 white cars