Interest & Depreciation
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Lesson duration is: 55 minItems in this lesson
Slide 1 - Slide
A price decreases from $80 to $64. What is the percentage decrease?
A
30%
B
20%
C
15%
D
25%
Slide 2 - Quiz
A population decreased by 15%. What is the remaining population?
A
85% of the original population
B
90% of the original population
C
70% of the original population
D
100% of the original population
Slide 3 - Quiz
If a salary decreases by 10%, what is the amount of the decrease?
A
20% of the original salary
B
5% of the original salary
C
15% of the original salary
D
10% of the original salary
Slide 4 - Quiz
If a price increases by 20%, what is the multiplier for the increase?
A
2.00
B
0.80
C
1.20
D
1.50
Slide 5 - Quiz
The value of a car depreciates by 10%. What is the multiplier for the depreciation?
A
0.50
B
1.10
C
0.75
D
0.90
Slide 6 - Quiz
Erin puts £240 into a savings account which has 3% APR and leaves it.
How much will she have after 4 years?
How much will she have after 4 years?
Slide 7 - Open question
Slide 8 - Slide
Slide 9 - Slide
Slide 10 - Slide
Slide 11 - Link
Slide 12 - Slide
Slide 13 - Slide
Which should Alice choose and Why?
