168,613 views
19 votes
19 votes
Yoko says that when you divide 75 by 5, the answer is 15. How can you check her answer? is she correct?

User Wazy
by
2.8k points

1 Answer

17 votes
17 votes
Dividing by 5

Two methods...

1

How can we divide easily by 5?

We know


5=(10)/(2)

Then


(75)/(5)=(75)/((10)/(2))=(75\cdot2)/(10)=(150)/(10)=152

The common method

Yoko says that when you divide 75 by 5, the answer is 15. How can you check her answer-example-1
User Alejandro Mezcua
by
2.9k points
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