# Morgan has three times as many pennies as quarters. If Morgan had three more quarters and seventeen fewer pennies, she would have the same number of each coin. How much money does she have?

$2.80

Morgan is said to have three times as many pennies as quarters, therefore

We are also informed that the quantity of coins would remain the same if she had three extra quarters and seventeen fewer pennies, so I can write:

Let's get started on the solution by changing the first equation into the second:

additionally

The last question is: How much money does Morgan have? Using 30 pennies at a cost of one cent each and 10 quarters at a cost of 25 cents each, we get:

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Let x = the number of quarters.

Pennies: 3x

Total value: $0.01(3x + 3) +$0.25(x - 17)

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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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