Subject :IMO Class : Class 6
The ratio of two numbers is 5 : 9 and their sum is 448. Find the difference of the numbers?
A 118
B 128
C 132
D 140
how come the correct ans is B, Just wanted to know
Ans 1:
Class : Class 8
5x+9x=448
14x=448
x=448/14=32
9x-5x=y
4x=y
4*32=y
128=y