priscillaoliver4354 priscillaoliver4354

03-05-2020
Mathematics

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Describe the error in the work shown below.Find an expression equivalent to 18 + 30.Factors of 18: 1, 2, 3, 6, 9, 18Factors of 30:1,2,3,5,6, 10, 15, 3018 + 30 = 6(3 + 10)

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salatulmaghrib salatulmaghrib

03-05-2020

6(3 + 10) = 6*3 + 6*10 = 18 + 60
As you can see, it's not equivalent to 18+30

To fix it, we can change (3+10) to (3+5)
Now we have 6(3 + 5). And this is now equivalent to 18+30.

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