Answer:
0
Step-by-step explanation:
30x is the answer because
<u>Answer:</u> 8+(1.4x)
<u>Reasoning:</u>
The park has a $8 charge for entry, following it is $1.40 per ride so $8 would be added and the $1.40 would be multiplied by the number of rides he rode, since we don't know it will be x.
The probability is 1/5 you will answer the first question correctly.
The probability is 1/5 you will answer the second question correctly.
The probability you will answer both correctly is (1/5)·(1/5) = 1/25.