Answer:
37.5
Step-by-step explanation:
First you have to realize that these are similar triangles.
You can do a easy cross multiplication with these types of questions by forming an equation with the similar angles.
put the smaller above the decimal and the bigger one below like this.
=
Now cross multiply
8x=300
x=37.5
Answer:
a. Probability = 0.15
b. Probability = 0.3
Step-by-step explanation:
Given




Solving (a): Probability of being somewhere else
This is calculated by subtracting the sum of given probabilities from 1.



Solving (b): Probability of being in bedroom or kitchen
This is calculated as:



The answer is 690 if you subtract the two numbers you will find the cost of the bench.