the answer is 3-4 because both 45 and 60 has a multiple of 15.
45/3=15
60/4=15
therefore the odds against selecting a red is 4-3
Another question on Mathematics
Mathematics, 21.06.2019 15:20
Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative