How many $5 bills did hermione have in her purse?

Let x=the number of $1 bills she has, and let y=the number of $5 she has. From the information given, we can say:

x+5y=40

x+y=12

When you subtract the first equation from the second equation, you get:

x+5y-x-y=40-12

4y=28

y=7

Therefore, Hermione has 7 $5 bills in her purse.

168

step-by-step explanation:

i am pretty sure that the answer is 168

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point