19/20 + 2/5 = 19/20 + 8/20 = 17/20
15/25
you add five over 8 plus 4
18 5+18=23
In order to find the mean of numbers, add up all of the numbers and thn divide it by the number of numbers there are. Adding two, five and twelve equals nineteen. Then divide three into nineteen, and this gives you a mean of 6.33.
15% + 25% = 40%
Twenty-seven hundreds is equal to 2,700, and fifty-five tens is equal to 550. When you add these two amounts together, 2,700 + 550 equals 3,250. Therefore, twenty-seven hundreds and fifty-five tens amounts to 3,250.
If you add the number 5, 5 times, it is 5+5+5+5+5, which happens to equal 25
You can add 10 four times, or five eight times, or even two twenty times.
2
1 7/12 (one and seven-twelfths)
31.
To write three hundred twenty-five thousand, you would start by writing the numerical digits for each place value: 3, 2, 5, and then add the corresponding words for each place value. In this case, it would be "three hundred twenty-five thousand." Make sure to include hyphens between the words "twenty" and "five" to properly represent the number.