sara spent 4/5 money on his present.if the present cost 80rs.How much money did she had first?

Question

ara spent 4/5 money on his present.if the present cost 80rs.How much money did she had first?

Answer 1

(4/5)(initial amount of money) = 80 

 

solve for "initial amount of money" by multiplying both sides by the reciprocal of 4/5.

 

that will give you how much money she had, initially.