Question

If 42% of a number is subtracted from 61% of itself and the resulting value is 38. find the number:

Answer 1

Hello,
we indicate with n the number.
we have that:
61%n-42%n=38;
61/100n-42/100n=38;
61n-42n/100=38;
19n=38×100;
19n=3800;
n=3800:19=200

hence the number is 200.

bye :-)