Respuesta :

Parrain

Answer: $40

Step-by-step explanation:

David can buy 3 sweatshirts for a total of $30.

Since these shirts have the same price, the price of each sweatshirt is:

= 30 / 3

= $10

If David wanted to buy 4 sweatshirts, he would spend:

= 10 * 4

= $40

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