Question

A woman spent 1/3 of her money on food and gave 4/5 of the rest to her brother and still had 800frs left how much had she at first?

Answer 1

Answer:

Let us consider she has money= A

she spends=A×2/3 =2A/3

she now have=A-2A/3=A/3

he gave to his brother=A/3×4/5=4A/15

now she have=A/3-4A/15=A/15

which is equal to 800

A/15=800

A=800×15

=12000 Rs.