Question

1. Find the simple interest and amount when :
(a) Principal
time - 4 years.
*800, rate = 6% per annum,
(b) Principal - 7000, rate 6% per annum, time = 6 months.
(c) Principal = 10000. rate = 10% per annum, time = 146 days.
2. Find the principal when :
(a) Simple interest - 360, rate = 3% per annum, time 3 years
(b) Simple interest - 140, rate = 16% per annum, time = 25 years.
(c) Simple interest - 80, rate 4% per annum, time 6 months
3. Find the time when :
(a) Principal = 71000, rate = 8% per annum, simple interest - 200
(b) Principal = 5000, rate = 5% per annum, simple interest - 1500.
(d) Principal = 10000, rate = 18% per annum, simple interest - 12600.
please give the answer in step​

Answer 1

Answer:

mate we can help you with more than three or four but if you don't try you won't be able to know this

Answer 2

944 is answer this is explanation in image