Question

On a tiring army training session, only 28 youngsters survived the whole day. This represented 35% of the original group. How large was the original group?

Answer 1

Let the number of memebers of original group be x
AC/Q
35% of x=28
35/100x=28
7/20x=28
7x=28×20
x=28×20/7
=4×20
=80
The original group had 80 members.

Answer 2

Let x be the original group
35% of x = 28
35/100 X x = 28
x = (28X100)/35
x = 2800/35
x = 80
80 youngsters were original group