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4 votes
How do u do this? PLz show work!!!!

How do u do this? PLz show work!!!!-example-1
User Guymage
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2 Answers

5 votes
n:7=x remainder 2
⇒ n= 7*x +2

4n= 4*(7x+2)=28x+8=28x+7+1=7*(4x+1)+1
the remainder is 1
User Mukesh Lokare
by
8.3k points
3 votes
For some integer k, you have
.. n = 7k +2
Then, multiplying by 4, you have
.. 4n = 28k +8
.. 4n = 7(4k +1) +1

The remainder is a) 1.
User Matt Sach
by
8.2k points

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