mith4bratzigems
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Kara has 21 collectible buttons to sell. She sells the small buttons for $3 and the large buttons for $4, and earns a total of $68. If the small buttons are represented by x and the large buttons are represented by y, which of the following systems of equations can be used to calculate the number of large and small buttons sold?

A.) x + y = 21, 3x + 4y = 68
B.) x + y = 68, 3x + 4y = 21
C.) x + y = 21, 4x + 3y = 68
D.) x + y = 68, 4x + 3y = 21

Answer :

The best and most correct answer among the choices provided by your question is the first choice or letter A. The systems of equations can be used to calculate the number of large and small buttons sold are:

x + y = 21
3x + 4y = 68

I hope my answer has come to your help. Thank you for posting your question here in Brainly.

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