# Question #53ca1

##### 1 Answer

Aug 8, 2017

#### Explanation:

We can arrive at this answer rather quickly if we think outside the box. Instead to solving for p and q, we can rearrange equations to suit our needs.

Our First step would be to cross multiply

which will give us

Seem familiar? We already know what

Substituting these values into the formula will give us a value which is