Question

If the ratio of tourists to locals is 3:4 and there are 120 tourists at the opening of a new muesum, how many locals are in attendance?

Answer 1

Let the number of locals be "x".

From the information given, we can write two ratios and equate:

`(3)/(4)=(120)/(x)`

We can easily solve for "x" by cross multiplication >>>

`\begin{gathered} (3)/(4)=(120)/(x) \\ 3x=4*120 \\ 3x=480 \\ x=160 \end{gathered}`

So,

The