Question

after spending 4/9of her money ,Nidhi had rupees 45 left .How much did she spend

Answer 1

let her salary be X
she spend 4/9 part of his salary.
5/9 part of his salary he had left
given,
5/9 of x = 45
5x/9 = 45
x = (45 × 9)/ 5
x = 405/5
x = 81
so her salary is 81.
she spend 4/9 of her salary.
so,
4/9×81 = 4×9
=36

please mark it brilliant answer

Answer 2

her salary is 81 because 45×9=405,

405/5=81

her salary is 81