Question

Hello can you help me with this. 4/10 = 1/X. it for a Recipe for Salt

Answer 1

We solve it as follows:

$\frac{4}{10}=\frac{1}{x}\Rightarrow x=\frac{1\cdot10}{4}\Rightarrow x=\frac{5}{2}$

So, the value of x is 5/2.