C and D are tying water balloons for a party. 5 out of every 8 balloons that C ties does not pop, and 2 out of every 3 balloons that D ties does not pop. If they each tie 120 balloons, what fraction of the 240-pack will pop?
Choose the correct option:
A) 85/240 B) 70/240 C) 155/240 D) 140/240 E) 60/240
Ratio of 85/240's balloons that do not pop: 5/8   Ratio of B's balloons that do not pop: 2/3   Ratio of 85/240 and B's balloons that do not pop: 5/8+2/3=31/24   Total number of 85/240's and B's balloons that do not pop: 120x(31/24)=155/240   Fraction of balloons that pop: 1-155/240=85/240   85/240nswer is 85/240
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C and D are tying water balloons for a party. 5 out of every 8 balloons that C ties does not pop, and 2 out of every 3 balloons that D ties does not pop. If they each tie 120 balloons, what fraction of the 240-pack will pop?