Question

hello can you help me to understand how to How to solve a problem like this step by step here is one I made up 4/10=1/X

Answer 1

Find

4/10 = 1/X

Its searched X

Then apply cross multiplying

4•X = 1• 10

Now isolate X

X= 1•10/4= 10/4= 5/2

Then ANSWER IS X= 5/2