Answer:
no he is not correct
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
A: y=1.6X
B: y=2.5x
D: y=2x
C doesn't have a proportional relationship between X and Y
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
=