A=16
16/4+2=6=
a/4+2=6
Answer:
A= 36
Step-by-step explanation:
a/4+2= A/6
36/6=6
5/12 - 4/5 = -23/60. You can't simplify -23/60. Hope this is right
4/5= 48/60
5/12 = 25/60
25/60-48/60= -23/60
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2/20
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
Answer: 12 red balls must be added
Starting out with 15 balls, 6 red implies 9 blue. If blue remains 9, then we expect red to be 18 for a probability at 2/3. 18-6 = 12
