# One day a store sold 28 sweatshirts. White ones cost $9.95 and yellow ones cost $13.50. In all, $321.20 worth of sweatshirts were sold. How many of each color were sold?

The store sold 16 white and 12 yellow sweatshirts.

$355y +$278.6 = 321.20#

$278.6 - 321.20 - 278.6 = 278.6 + 3.55y\

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Let ( w ) represent the number of white sweatshirts sold and ( y ) represent the number of yellow sweatshirts sold. Then we have the equations:

- ( w + y = 28 ) (since a total of 28 sweatshirts were sold)
- ( 9.95w + 13.50y = 321.20 ) (since the total value of the sold sweatshirts was $321.20)

Using these equations, you can solve for ( w ) and ( y ) to find out how many of each color were sold.

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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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