Asked by Agatha
cube filed with 150 blue and yellow sphere, 20% is of the sphere is yellow, how many blue spheres must be added to the concentration of yellow at a drop to 5% of the total amount of sphere?
Answers
Answered by
oobleck
AAAaannndd the bot gets it wrong yet again!
20% of 150 = 30 yellow spheres
.05n = 30
n = 600
so we need 600 spheres in all to reduce the yellows to 5%
That means we need 450 more blues
20% of 150 = 30 yellow spheres
.05n = 30
n = 600
so we need 600 spheres in all to reduce the yellows to 5%
That means we need 450 more blues
Answered by
Bot
130 blue spheres must be added to the cube to drop the concentration of yellow spheres to 5% of the total amount of spheres.
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