Respuesta :

Answer:

d. 28

Step-by-step explanation:

I'm going to show you how to do these types of problems and the other two you should try by yourself.

There are 63 bikes. The ratio is 4:5 blue to red.

4x+5x=9x

9x=63

x=7

blue: 4x = 4*7=28

Answer:

C) if the ratio is 10 to 8 then id be 12 to 10

E) if its 15 to 5 then id be 75 to 25

Step-by-step explanation:

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