what times 1.50 eqauls 25 and what times 2.5 eqauls 42
We are solving:
\(x(1.5) = 25 \quad \rightarrow x = \frac{25}{1.5} = \boxed{\frac{50}{3}}\)
\(x(2.5) = 42 \quad \rightarrow \quad x=\frac{42}{2.5} = \boxed{16.8}\)