4) You are in Las Vegas and need $35 to buy a great steak dinner, but you only have $20. You decide to play roulette to win the
1 answer:
Answer:
The probability that you will have $35 after your bet is 0.5263
Step-by-step explanation:
Consider the provided information.
If you bet $1 on each of 20 different numbers on one single spin of the wheel, what is the probability that you will have $35 after your bet.
If you bet $1 on a single number then the probability of winning is:
But if you bet $1 on each of 20 different number then the probability increases.
Thus the required probability is:
Hence, the probability that you will have $35 after your bet is 0.5263
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Answer:
The money left after gasoline expenses was <u>$622.50</u>.
Step-by-step explanation:
Given:
Last month, family had used 40% of the monthly income for gasoline, and 63% of that gasoline was consumed by the family's SUV.
The family's SUV used $261.45 worth of gasoline previous month.
Now, to find the money left of the family monthly income after gasoline expenses.
Let the total money spend on gasoline be
As, given:
The family's SUV used $261.45 worth of gasoline, which was 63% of the gasoline that was consumed.
According to question:
<em>Dividing both sides 0.63 we get:</em>
<u><em>The total money spend on gasoline = $415.</em></u>
Now, 40% of the monthly income is used for gasoline.
Let the total monthly income be
So, to get the monthly income we put an equation:
<em>Dividing both sides by 0.40 we get:</em>
<u><em>The total monthly income = $1037.50.</em></u>
Now, to get the money left after gasoline expenses we subtract the total money spend on gasoline from the total monthly income:
Therefore, the money left after gasoline expenses was $622.50.