5
The average is 35. (21 + 35 + 49 (=105), divided by 3.)
21
105 can be divided evenly by 1, 3, 5, 7, 15, 21, 35, and 105. These are all the factors of 105, meaning they divide into 105 without leaving a remainder. Additionally, 105 can be divided by other numbers that are not factors, but those divisions will result in remainders.
4
0.21
21
105 can be divided by 1, 3, 5, 7, 15, 21, 35, 105.
21
The average is 35. (21 + 35 + 49 (=105), divided by 3.)
21
To simplify the fraction 21 over 105, you divide both the numerator and the denominator by their greatest common divisor (GCD), which is 21. Dividing 21 by 21 gives you 1, and dividing 105 by 21 gives you 5. Therefore, 21 over 105 simplified is 1/5.
21
105 / 5 = 21
The GCF of 105 and 147 is 21. Dividing 21 into each of these gives 5 and 7 respectively. These are not further divisible by any number except for 1.
The first step to answering this question is to work out what 20% of 105 is. This can be done by multiplying 105 by 20% (or 20/100). That gives us 21, which we then need to add to 105: 21+105 = 126. Thus the answer to 105 plus 20 percent is 126.
105 can be divided evenly by 1, 3, 5, 7, 15, 21, 35, and 105. These are all the factors of 105, meaning they divide into 105 without leaving a remainder. Additionally, 105 can be divided by other numbers that are not factors, but those divisions will result in remainders.
4