mgarcia92703 mgarcia92703
  • 06-12-2017
  • Mathematics
contestada

The ratio of red cars to blue cars in a parking lot was 5:3 if there were 40 red cars how many blue cars were there

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EmoPotatoQueen
EmoPotatoQueen EmoPotatoQueen
  • 06-12-2017
It would be 24 blue cars. ( I can't show the work because my camara is not working)
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dsdrajlin
dsdrajlin dsdrajlin
  • 11-01-2020

Answer:

24 blue cars

Step-by-step explanation:

Let

  • r = number of red cars
  • b = number of blue cars

The ratio of red cars to blue cars in a parking lot was 5:3, that is,

r/b = 5/3

If there were 40 red cars (r = 40),

40/b = 5/3

We use the Cross Products Property of Proportions.

40 × 3 = b × 5

120 = b × 5

b = 120/5

b = 24

There were 24 blue cars.

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