Use the GCF and the Distributive Property to find the sum.
66 + 78
Write each number as a product using the GCF as a factor, and apply the Distributive Property.
66 + 78=
Answers
Answered by
34
Find the GCF:
66 = 2 x 3 x 11
78 = 2 x 3 x 13
GCF = 2 x 3 = 6
Take out common factor 6:
66 + 78 = 6(11) + 6(13)
66 + 78 = 6( 11 + 13)
66 + 78 = 6(24)
Spilt 24 into 20 and 4:
66 + 78 = 6(20 + 4)
Distribute 6:
66 + 78 = 6(20) + 6(4)
66 + 78 = 120 + 24
66 + 78 = 144
Answered by
0
Answer:
14 + 21 distributive property
Step-by-step explanation:
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