Question

A's salary is 80% of B's salary.If B's salary be Rs1640,find A's salary

Answer 1

your ans is,
80÷100×1640
=1312
Hope I can help you

Answer 2

salary of b is rs.x
x of 80℅ =1640
x*80/100 = 1640
x = 1640*100/80
x = rs. 250 salary of b