Answer:78.4
Step-by-step explanation:
The expected value formula is

We know that there are 125 tickets, so the probability of the ticket is

Then, we find the expected value

<h2>Hence, the expected value is $7.60.</h2>
$2400 = $60x + $120
Subtract 120 from both sides
$2280 = $60x
Divide by $60
38 months to be even
To be able to identify if there is a remainder or not, you have divide and solve the problem and then check and see if you have any left over numbers.
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