As a prize, a contest winner gets to draw out one bill at a time from a box containing 10 five-dollar bills, 10 ten- dollar bills, and 10 twenty-dollar bills. What is the largest sum of money that can be won under these conditions?

The drawing ends when 3 bills of the same denomination are drawn, and, of course, the contest winner keeps whatever he has drawn.

Answer 1

See a solution process below:

The largest denomination of bill is $20.

So, to start finding the maximum able to be drawn, they contest winner would draw 3 20bills=20 bills = 60.

Prior to drawing the 3rd 20bill,thecontestwinnercoulddraw2ofthe20 bill, the contest winner could draw 2 of the 5 bills and 2 of the 10bills.Thisaddedtothe10 bills. This added to the 20 bills they had drawn would give:

#(2 xx $5) + ($2 xx 10) + $60 = $10 + $20 + $60 = $90#
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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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