Question

The ratio of 1.1 to 42 is the same as the ratio of 3.3 to

Answer 1

This is a question on relating proportions and our approach will be to cross-multiply.

`1.1\colon42=3.3\colon x`

This can be rearranged to get:

`\begin{gathered} (1.1)/(42)=(3.3)/(x) \\ \text{Cross multiplying gives:} \\ 1.1x=3.3*42 \\ x=(3.3*42)/(1.1) \\ x=3*42=126 \end{gathered}`

x =