# McGraw Hill Math Grade 8 Lesson 6.5 Answer Key Percent Change, Mark-up, and Discount

Practice the questions of McGraw Hill Math Grade 8 Answer Key PDF Lesson 6.5 Percent Change, Mark-up, and Discount to secure good marks & knowledge in the exams.

## McGraw-Hill Math Grade 8 Answer Key Lesson 6.5 Percent Change, Mark-up, and Discount

Exercises Solve

Question 1.
What is the selling price for an item that costs $50 and has a mark-up of 40%? Answer:$70.00,

Explanation:
The cost of an item is $50, Mark up of 40%, discount amount of an item =$50  x 40%
= 50 x $$\frac{40}{100}$$
= 50 x 0.4
= 20
the selling price for an item = 50 + 20 = 70
$70.00 Question 2. What is the mark-up amount for an item that costs$125 and has a mark-up of 35%?
$43.75, Explanation: The cost of an item is$125,
Mark up of 35%,
discount amount of an item = $125 x 35% = 125 x $$\frac{35}{100}$$ = 125 x 0.35 = 43.75 Question 3. What is the selling price for an item that costs$70 and has a discount of 40%?
$42.00, Explanation: The cost of an item is$70,
Percentage of discount is 40%,
discount amount of an item = $70 x 40% = 70 x $$\frac{40}{100}$$ = 70 x 0.40 = 28.00 the selling price for an item = 70 – 28 = 42$42.00

Question 4.
What is the discount amount for an item that costs $160 and has a discount of 45%? Answer:$72.00,

Explanation:
The amount for an item that costs $160, Percentage of discount is 45%, discount amount of an item =$160 x 45%,
= 160 x $$\frac{45}{100}$$
= 160 x 0.45
= 72.00

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