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Question: Sam scored 53.75 in science, 62.75 in English and 77.75 in mathematics. Find Sam's score in all the three subjects together.


A ) 194.25
B ) 195.75
C ) 197.75
D ) 192.75

Steps to derive

1 Score in all three subjects = Sum of the individual scores in each subject

 [Substitute the values.]
2 = 53.75 + 62.75 + 77.75

 
[Line up the decimals.]




[Add.]
3 

53.75
62.75
+ 77.75
..........
194.25
..........


4 Total score in all the three subjects = 194.25.



Hence the right answer is Option A

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