The Ratio of similarity of Triangle BOY to Triangle GRL is 1:2, If BO=x+3 and GR=3x-1, then the length of GR is ?

3 answers

(x+3) / (3x-1) = 1/2

2 x + 6 = 3 x - 1

x = 7

GR = 3(7) - 1 = 20
SETW
20