# Answer

36 rupees.

# Steps

Let there be money = x

x-(4/9)*x = 45

(9x-4x)/9 = 45

5x/9 = 45

x = (45×9)/5 = 81

Therefore money spent =(81-45)= 36.

36 rupees.

Let there be money = x

x-(4/9)*x = 45

(9x-4x)/9 = 45

5x/9 = 45

x = (45×9)/5 = 81

Therefore money spent =(81-45)= 36.