SOLUTION: A box contains 4 red balls, 6 black balls, 8 blue balls and 12 white balls. What proportion of the balls are:
a) black?
b) red or blue?
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-> SOLUTION: A box contains 4 red balls, 6 black balls, 8 blue balls and 12 white balls. What proportion of the balls are:
a) black?
b) red or blue?
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Question 957502: A box contains 4 red balls, 6 black balls, 8 blue balls and 12 white balls. What proportion of the balls are:
a) black?
b) red or blue? Answer by macston(5194) (Show Source):
You can put this solution on YOUR website! Total number of balls=30
a) proportion that are black balls =6/30=1/5
b) proportion that are red or blue =12/30=2/5
