Item 10 Question 1 A dentist's office and parking lot are on a rectangular piece of land. The area (in square meters) of land ca
1 answer:
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It is given that the cost price of the MP3 player is $60 and the selling price is $105.
The markup is given by the formula:
Markup =
=
= 1.75 × 100
= 175%
Yes, the classmate is correct.
Hence, the markup is 175% and the classmate is correct.
Answer:
(a) Increased by 100%
(b) Increased by 50%
(c) Decreased by 33.33%
(d) Decreased by 50%
(e) Increased by 200%
(f) Decreased by 66.67%
Step-by-step explanation:
In this question, we can use the following <em>formula</em>:
Positive value of percentage change means increase and
Negative value of percentage change means decrease.
Solution a)
Old Value = 1
New Value = 2
Increase of 100%
Solution b)
Old Value = 2
New Value = 3
Increase of 50%.
Solution c)
Old Value = 3
New Value = 2
Decrease of 33.33%.
Solution d)
Old Value = 2
New Value = 1
Decrease of 50%.
Solution e)
Old Value = 1
New Value = 3
Increase of 200%.
Solution f)
Old Value = 3
New Value = 1
Decrease of 66.67%.
So, the answer is:
(a) Increased by 100%
(b) Increased by 50%
(c) Decreased by 33.33%
(d) Decreased by 50%
(e) Increased by 200%
(f) Decreased by 66.67%