Emma will not receive a free cupcake.
The cupcake will only go to every 4th customer.
Emma is the 1st customer.
Answer: 
Step-by-step explanation:
Given


is given by replacing the
by
from the 

Now,
is

For this case, the first thing we must do is define a variable.
We have then:
x: unknown number
Doing the multiplication we have:

From here, we clear the value of x.
We have then:

Therefore, we have:
Answer:
7 times 1/7 equals 1
To find the answer divide each money amount by the cost:
3.45/14=<span>0.246428571429
</span>4.35/16=0.271875
3.29/12=0.274166666667
4.25/15=<span>0.283333333333
</span>The pickle jar that has the best deal is 14 oz for $3.45
Hope this helps!
Answer:
19. c 20.b
Step-by-step explanation: