Question

Eamon uses the greatest common factor and the distributive property to rewrite this sum:

28 + 42

Which expression does Eamon write?

A. 7(4+6)
B. 14(2+3
C.21(1+2)
D.28(1+2

Answer 1

B) 14(2+3)

14 is the greatest common factor, it can be divided by two numbers, 7 and 2

option A, 7 is the least common factor it can only be divided once by 7 so although A = 70 it isn't the greatest common factor

Now to check if B is correct

Use order of operations to solve P E M D A S

2+3 = 5

14(5)

Multiply

70, Answer is 70 as his sum.

B is correct