Answer:
7 muffins
Step-by-step explanation:
9x9=81
88-81=7 muffins
7.25 is the same as

written as a mixed number. However, .25 is

of 100.
In this case, while rewriting your mixed number, 7.25 is the same as

, so that would be your answer.
7.25 ⇒
7 1/4
Answer:
Multiply the first equation by 3 and multiply the second equation by -2.
This is justified by the multiplication property of equality
Step-by-step explanation:
we have
----> first equation
----> second equation
step 1
Multiple the first equation by 3 both sides
-----> by multiplication property of equality
----> new first equation
step 2
Multiple the second equation by -2 both sides
-----> by multiplication property of equality
----> new second equation
step 3
Solve the system of equations by elimination
Adds new first equation and new second equation

Find the value of x
substitute the value of y in any equation and solve for x
The solution is the point 
therefore
Multiply the first equation by 3 and multiply the second equation by -2.
This is justified by the multiplication property of equality
X = The cost of each book of stamps
There for your expression would be:
3x + 4.50
3x is 3 book of stamps times x cost of each book.
Your 4.50 is your one time fee to mail the package.
Hope this helps! (:
Answer: 42
Step-by-step explanation:
if the bookstore has 64 copies,
yesterday it was sold 1/4 , so it was sold 64/4=16
today it was sold 1/8 from what remained, which is 6(see below)
64-16=48
48/8=6
the store has left 48-6=42