math
posted by trey .
A gumball machine contains red, orange, yellow, green, and blue gumballs. Twenty percent of the gum balls are
red, 30% are orange, 5% are yellow, 10% are green, and the rest are blue. If there are a total of 120 gumballs, how
many more blue gumballs are there than yellow gumballs?
A. 48
B. 42
C. 36
D. 30
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