please answer me quickly

prime numbers for integers that lie between 1 to 10 (excluding 10 its elf) are
2, 3, 5, 7

thus, the sum of all the prime numbers
= 2 + 3 + 5 + 7
= 17

composite numbers for integers that lie between 1 to 10 (excluding 10 its elf) are
4, 6, 8, 9

Thus, the sum of all the composite numbers
= 4 + 6 + 8 + 9
= 27

therefore, the difference of the sum of all composite numbers minus the sum of all prime numbers
= 27 - 17
= 10 (Ans.)

Ans. The difference is 10.


2007-07-29 15:35:35 補充：
y is 9 over 25 of X.what percentage of x is y? y = (9/25) * 100% of X [multiply it by 100% and you will get the percentage)y = 36 (%) of X

2007-07-30 10:27:35 補充：
幫到你嗎?

2007-07-30 19:15:34 補充：
I am willing to help anyone if I can.