KelseyWoods
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When a certain number is divided by 4, the remainder is 3. If twice that number is divided by 4, what is the remainder?

A. 0
B. 1
C. 2
D. 3

Respuesta :

n/4= x+3/4
We can look at the examples:
1)   11=4*2 + 3 ,when we divide by 4 we get
11/4 = 2 + 3/4.    
 Twice of 11 is 22    
 22/4 = 5 + 2/4     Remainder =2.

2) 15 =4*3 +3,
15/4 = 3 + 3/4       
Twice of 15 is  30.
 30/4 = 7 + 2/4    Remainder is 2.

3) 7 = 4*1 +3
Twice of 7 is 14.
14=4*3 + 2  Remainder is 2.

So, we see that remainder is 2.
Answer is C.2.

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