Question

solve for 50 points​

Answer 1

Answer:

Question (16)

when anything goes up and down same % , their will always be loss in the initial value . [ Remember This]

Loss will be denoted by = (x)²/100

so, net decrease in number will be = (20)²/100 = 4% (Ans.)

[ we can solve this by basic method also , but this is very easy ]

Question (17)

present value of scooter = 31025

and it comes when their was a depreciation of 15% .

It means this is the value of 85% of value of last year .

85% ------------------- 31025

100%(last yr I initial value) ----------- 3102500/85

= 36,500 (Ans.)

Answer 2

Answer:

16th question.

36,500 is your answer