Answer:
81
Step-by-step explanation:
Add all of the together to find how much they all equal. 27x3 = 81
Answer:
3/12 or simplified 1/4
Step-by-step explanation:
First make the denominators the same. We can make 12 the common denominator. To make 3/4 have a denominator do the following:
Multiply the numerator and denominator by 3 since 4x3=12. The new number becomes 9/12.
Then subtract:
9/12-6/12=3/12 The numerator subtracts while the denominator stays the same.
We can simplify 3/12 to 1/4
Answer:
840
Step-by-step explanation:
Given
Required
Determine the number of rankings
The term "ranking" as used in this question implies permutation and the required is calculated using:
Where
So:
<em>Hence, number of ranking is 840</em>