2006
Mathematics
67ca00ce0c643c71d77dee1f
If the mean of five consecutive integers is 30, find the largest of the numbers
A.
28
B.
30
C.
32
D.
34
Correct Answer: 32
Explanation
((a+a+1+a+2+a+3+a+4))/5 30=(5a+10)/5 30×5=5a+105a=150-105a=140a=28∴a+4=28+4=32
((a+a+1+a+2+a+3+a+4))/5 30=(5a+10)/5 30×5=5a+105a=150-105a=140a=28∴a+4=28+4=32THIS WEEK's
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