Question

plzz solve it urgent need..

Answer 1

let the principal be x.
given rate=9%.
and time =1year .
simple interest =45.
ATQ
prt/100=45.
x×9×1/100=45.
9x/100=45.
9x=4500.
x=4500/9.
=500.

therefore the sum borrowed by her is Rs 500.

Answer 2

this question is solved in your question paper, although formula is wrong but answer is correct
9% of x=45
1%=5
100%=500