A jar contains only red and green balls. ten red balls are added and the green balls now constitute 20% of the total. in addition, ten green balls are added, making the percentage of green balls equal to 40% of the total. How many balls were originally in the jar?
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
No explanations have been posted yet. Check back later!