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: