Math in Focus Grade 5 Chapter 10 Practice 4 Answer Key Real-World Problems: Percent

Practice the problems of Math in Focus Grade 5 Workbook Answer Key Chapter 10 Practice 4 Real-World Problems: Percent to score better marks in the exam.

Math in Focus Grade 5 Chapter 10 Practice 4 Answer Key Real-World Problems: Percent

Solve. Show your work.

Question 1.
Jennifer bought a printer that cost $240. There was a 7% sales tax on the printer.

a. How much sales tax did Jennifer pay?
Math in Focus Grade 5 Chapter 10 Practice 4 Answer Key Real-World Problems Percent 1
Answer: $16.8
Explanation:
240 x 7%
= (240  x 7)/100
=$16.8

b. How much did Jennifer pay for the printer with tax?
Answer: $256.8
Expanation:
Printer cost $240
Tax paid 7% = &16.8
Tota amount paid = $240 + $16.8 = $256.8

Question 2.
A company invests $8,000 in an account that pays 6% interest per year.

a. How much interest will the company earn at the end of 1 year?
Answer: $480
Explanation:
$8000 x 6%
= (8000 x 6)/100 = 480

b. How much money will the company have in the account at the end of 1 year?
Answer: $8480
Explanation:
invested amount = $8000
interest 6%
the company have in the account at the end of 1 year
$8000 + $480 = 8480

Solve. Show your work.

Question 3.
The regular price of a digital camera was $250. Tyrone bought the digital camera at a discount of 40%. How much did Tyrone pay for the digital camera?
Math in Focus Grade 5 Chapter 10 Practice 4 Answer Key Real-World Problems Percent 2
Answer:
$150 Tyrone pay for the digital camera.
Explanation:
camera price is $250
40% of 250 is
(250 x 40)/100 = 25 x 4
= $100
Tyrone pay for the digital camera
$250 – $100 = $150

Question 4.
Len bought a new car for $22500. After o few years, he sold the car at a discount of 25%. What was the selling price of the car?
Answer: $16875
Explanation:
new car cost =  $22500
sold at a discount of 25%
25% of $22500
=(22500 x 25)/100
=225 x 25
= $5625
the selling price of the car is
$22500 – $5625 = $16875

Solve. Show your work.

Question 5.
The price for dinner in a restaurant was $80. The customer paid on additional 7% meals tax and left o $15 tip.

a. How much meals tax did the customer pay?
Answer: $5.6
Explanation:
Dinner cost = $80
Tax = 7%
80 x 7% =
(80 x 7)/100 = $5.6

b. How much did the customer spend altogether in the restaurant?
Answer: $100.6
Explanation:
Dinner cost = $80
Tip = $15
meal tax =$5.6
the customer spend altogether in the restaurant
=$80 + $15 + $5.6 = $100.6

Question 6.
The regular price of a pair of hockey skates was $250. Ron bought the skates at a discount of 8%. However, he had to pay 5% sales tax on the skates after the discount.

a. What was the selling price of the skates?
Answer: $230
Explanation:
hockey skates cost= $250
8% of $250=
(250 x 8)/100 = $20
the selling price of the skates is
$250 – $20 = $230

b. How much did Ron pay for the skates in total?
Answer: $241.5
Explanation:
5% sales tax on the skates after the discount
5% of $230
(230 x 5)/100 = 11.5
Ron pay for the skates in total
$230 + $11.5 = $241.5

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