Question

ritu borrowed some money at 12% per annum . she had to pay $180 as interest after 3 year .what sum did she borrow

Answer 1

Answer:

$the \: sum \: was \\ p = \frac{i \times 100}{r \times t} \\ p = \frac{180 \times 100}{12 \times 3} \\ p = 500$

the amount was $ 500