Which expression uses the greatest common factor and the distributive property to rewrite the sum 75 + 45?
2 answers:
<span>75 + 45
First let's find the greatest common factor.
75: 1, 3, 5, 15, 25, 75
45: 1, 3, 5, 9, 15, 45
Their GCF is 15.
To get 75, you multiply 15 by 5.
To get 45, you multiply 15 by 3.
Therefore, 15(5 + 3) = 75 + 45.
</span><span>B. 15(5 + 3)
</span>
15(5 + 3) = 75 + 45.
B. 15(5 + 3)
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