Answer:

Step-by-step explanation:
Let
x -----> Hermione was earning before the pay raise
we know that

so
The linear equation that represent this problem is

Solve for x
Divide by 1.05 both sides


Answer:
1.75
Step-by-step explanation:
When you get a question like "How many times does 4 go into 7?", just think of it as how many times you can fit 4 into 7.