For a school fundraiser, Ernie sold 66 gift cards, Jessie sold 24 gift cards, and Makayla sold 78 gift cards. Choose the expression that uses the GCF and the Distributive Property to find the total number of gift cards that Ernie, Jessie, and Makayla sold. A. 2(33 + 12 + 39) B. 3(22 + 8 + 26) C. 6(11 + 4 + 13) D. 8(7 + 3 + 9)

C. 6(11 + 4 + 13)

Step-by-step explanation:

To find the GCF, start with the prime factorizations of the numbers.

66 = 2 * 3 * 11

24 = 2^3 * 3

78 = 2 * 3 * 13

To find the GCF, use only common factors with the smallest exponent.

GCF = 2 * 3 = 6

66/6 = 11

24/6 = 4

78/6 = 13

66 + 24 + 78 = 6(11 + 4 + 13)

C. 6(11 + 4 + 13)

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d