15 x 13 = 195
195 + 5 = 200
200 + 16 + 6 = 222
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Mean = (15 + 12 + 16 + 13)/4 = 56/4 = 14
16
To subtract fractions, you need a common denominator. In this case, the common denominator is 16. So, 13/16 - 1/4 becomes (13/16) - (4/16), which simplifies to 9/16. Therefore, 13/16 subtracted by 1/4 is equal to 9/16.
There are more than one whole numbers.If you include 13 and 16, there would be 4 whole numbers, 13, 14, 15, and 16.If you do not include 13 and 16, there would be 2 whole numbers, 14 and 15.
The series 1 6 10 13 15 (1+5=6; 6+4=10, 10+3=13; 13+2=15) is completed by 15+1=16. The answer is 16.