<PRE><B>Question 661404</B>
x = green
y = red
z = yellow
x+y+z=195
y = 2/5x
z = 1/10x
Substitute y and z into the equation
x + 2/5x + 1/10x = 195
Convert to fractions with common denominators
x + 4/10x + 1/10x = 195
x + 5/10x = 195
1 5/10x = 195
15/10x = 195
(15/10x)(10/15)=195(10/15)
x = 130 green
y = 2/5(130) = 52 red
z = 1/10(130) = 13 yellow</PRE>