Answer:
a) $4,960
b) 8% per annum
c) $120
Step-by-step explanation:
a) 4000 + 960 = $4960
b) 960 ÷ 3 = 320 per year
320/4000 × 100 = 8%
c) 1% more per year:
1% of 4000 = 40
3 years: 120
So $120 more
x^3 = 8/216
x^3 = (2^3/6^3)
(x^3)= (2/6)^3
x =2/6
x = 1/3