harrykrollisoxff24 harrykrollisoxff24

08-10-2017
Mathematics

contestada

Which expression uses the greatest common factor and the distributive property to rewrite the sum 75 + 45?

A. 45(30 + 1)
B. 15(5 + 3)
C. 15(3 + 7)
D. 5(70 + 40)

Respuesta :

08-10-2017

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.

B. 15(5 + 3)

Answer Link

Аноним Аноним

20-08-2018

15(5 + 3) = 75 + 45.

B. 15(5 + 3)

Answer Link

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