Start with

Multiply both sides by 5:

Good evening ,
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Answer:
12×11×10×9×8×7= 665 280 ways
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Step-by-step explanation:
The first inquiry has 12 ways
The 2nd inquiry has 11 ways
The 3rd inquiry has 10 ways
The 4th inquiry has 9 ways
The 5th inquiry has 8 ways
The 6th inquiry has 7 ways
1. 5/6
2. 3/4
3. 2/3
4. 1/6
5. 1/4
6. 1/2