You need to multiply 30 by 6 so 30times6 =your answer
Answer:
This means 100000 possible zip codes if repeatable
Step-by-step explanation:
Answer:
and

Step-by-step explanation:
Assume that Mike bought only cookies and hot dogs.
The total can be represented as:
--- (1)
And the amount spent can be represented as:
--- (2)
Required
Determine the system of equation
Let c represents the number of cookies and h, number of hot dogs.
implies 
And
Cost of cookies = 0.75 * c
Cost of hot dogs = 1.10 * h
So, we have:

Hence, the equations are:
and

Solving for c and h
Make c the subject in 

Substitute 5 - h for c in 



Collect Like Terms


Solve for h


-- approximated
Recall that:



121 x 12 = 1452 so over 1500 is not a correct estimate. Less than 1500 is the right estimate
It already is in simplest form. In mixed fraction, it would be 9 1/7