Question

the difference between 2 numbers is 48.the ratio of 2 numbers is 7:3.what are those 2numbers. 2. bansi have 3-times as many 2-rupee coins as he has 5-rupee coins.if he has in all a sum of 77rshow many coins of each denomination does he have? pls answer i have EXAM

Answer 1

7:3 is the same as 7x:3x,where x is any constant,
Equations:
7x-3x = 48
4x = 48
x = 12

3x = 36
7x = 84