Quadrilaterals find m
1 answer:
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Answer:
1.) Incorrect,
2.) Correct
Step-by-step explanation:
1.) Let x be the amount of money,
After increasing x by 20%,
New amount of money ( say y )= (100+20)% of x ( i.e. y is 20% more than x )
= 120 % of x
⇒ y = 1.20x
≈ 16.67%
Thus, x is approximately 16.67% less than y.
2.) First score = 60%,
Second score = x% ( let )
So, Average percentage score =
If