Answer: x equals 12
Step-by-step explanation:
hope this helped
7.5 percent equals to 7.5/100
Hence ,
7.5 × 80 = 6
Answer:
25 miles per hour
Step-by-step explanation:
Given



The joint variation can be represented as:

Where:

Required
Find V, when: 
We have:

Express as an equation

Where k is the constant of variation
Make k the subject

When: 
We have:



When: 
We have:

Substitute:
and 

Make V the subject


