Compound Interest Textbook Answers

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Workout

Question 1:     £4410

Question 2:    26620

Question 3:    £9025

Question 4:     £2105.74   or  £2105.75

Question 5:     149.609 litres

Question 6:     419.4 cm    or   4.194 m

Question 7:     £100.40   or   £100.41

Question 8:     £124229.69

Question 9:     8698

Question 10:    £4533.42

Question 11:     7 years

Question 12:     2039

Question 13:      12 years

Question 14:     25 years

Question 15:      44.2%

Question 16:     31.85%

Apply

Question 1:    No, she will receive £20.50

Question 2:    £11910.68

Question 3:    (a)   3.6m        (b)   3.24m       (c)   13 bounces

Question 4:    15 years

Question 5:    2028

Question 6:    4%

Question 7:    1%