At a United Way fund raiser, students sold cinnamon buns for $2 each or 3 for $5. They sold 500 all together, and raised $900. How many of the 3 for $5 were sold?

A) 100
B) 200
C) 300
D) 250
E) 150

Question

At a United Way fund raiser, students sold cinnamon buns for $2 each or 3 for $5. They sold 500 all together, and raised $900. How many of the 3 for $5 were sold?A)  100B)  200C)  300D)  250E)  150

Kaitlyn McArthur · Accepted Answer

Final Answer : C, Explanation :  Let x be the number of single buns sold, and y be the number of sets of 3 buns sold. The equations are: x + 3y = 500 and 2x + 5y = 900. Solving these gives y = 300.

At a United Way fund raiser, students sold cinnamon buns for $2 each or 3 for $5. They sold 500 all together, and raised $900. How many of the 3 for $5 were sold?

A) 100
B) 200
C) 300
D) 250
E) 150

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