Compare the average score of a student at the beginning of a month and at the end of that month, if at first, it increased by 40
2 answers:
Answer:
122.5
Step-by-step explanation:
Let the student normal score be 100
In the beginning score increased by 40%
Hence score at the beginning =100+40 = 140%
Now before end score decreased by 25%
Decrease = 25% of 140 = 35
Hence score at the end of month = 140-35 = 105
Average score for the month
= Total of scores of end and beginning month /2
=
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<em>y = - </em><em> x </em>
Step-by-step explanation:
1). =
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2). ( ,
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y - = m( x -
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y = x + 7
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( 3, - 4 )
y - ( - 4) = - ( x - 3 )
y + 4 = - x + 4
<em>y = - </em><em> x </em>
