Answer:
20% off
Step-by-step explanation:
15 - 12 = 3
3/15 = 1/5
1/5 = 0.2
0.2 = 20%
20% off
The reduced fee is $3. If 6 rounds is $32 and the first round is $17, subtract 17 from 32 and you get 15. Divide that by 5 because there are five rounds left, you get $3
It too would be tripled along with everything else.
The probability of getting grey: 2/10
The probability of getting blue: 8/10
The probability of getting blue then grey:
8/10 x 2/10
Answer 4/5