Question

a bag contains 8 red balls and x blue balls,the odd against drawing a blue ball are 2:5.what is the value of x?

anyone plis?urgent with detail process!

Answer 1

hey dude.....
ur answer is here...!!!

total no. of balls = 8 + x

odd against = no. of red/ no. of blu balls
8/x
8/x = 2/5
2x = 40
x = 20
thus no. of blue balls is 20=x

thanks....!

Answer 2

8:x=2:5 then we solve this equation.
so x=20