Consider this option (this is not the only way):
1. according to the condition 2345N is divisible by <em>6</em>, it means, that N is even number (0;2;4;6 or 8).
2. <em>6</em>=3*2, then the number 2345N is divisible by 3 also. It means, that the number (2+3+4+5+N)=(14+N) is divisible by 3, where N={0|2|4|6|8}.
3. using items 1 and 2:
(14+4)=18; only 18 is divided by 3, it means that N=4.
answer: 4.
Note also, that only 23451; 23454 and 23457 are divided by 3. Only 2345<u>4</u> is divided by 6 (2345<u>4</u>/6=3909).
6x + 5 = 5x + 8 + 2x
6x + 5 = 7x + 8
-5 -5
6x = 7x + 3
-7x -7x
-1x = 3
/-1 /-1
x = -3
If you are looking for x the answer would be -3 because 2•-3=-6. -6+12=6
Hope this helps!
A is 0.0028
and B is 0.054
The greatest number of tickets she can buy is 6 tickets
