Question

To calculate the cost of taking her nephews to the state fair Mrs. Kelly uses the expression 12a+9c, where a represents the number of adults going to the state fair and c represents the number of children attending the state fair. If Mrs. Kelly and her husband take their 3 nephews to the state fair, how much will it cost? Be sure to show all your work.

Answer 1

Answer: 3(4a+3c)

Explanation:

4 x 3a + 3c x 3c

= 3(4a+3c)

Answer 2

a=2
c=3

12(2)+9(3)
24 + 27
51