caroretanaox0n0c
caroretanaox0n0c caroretanaox0n0c
  • 17-10-2019
  • Mathematics
contestada

PLEASE help. Thank you !!

PLEASE help Thank you class=

Respuesta :

MATHRSM MATHRSM
  • 19-10-2019

Answer:

9 white ribbons were awarded

Step-by-step explanation:

make white x

make blue b and make red r

b=x-1

r=x+3

w=x

add them up

x-1+x+3+x=29

x-1 +x+3 is 2x+2

2x+2+x=29

3x+2=29

subtract 2 on both sides

3x=27

divide by 2

x=9

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