Answer:
2,187
Step-by-step explanation:
I used a calculator.
Answer:
maybe you should add the question and someone could help you out
Step-by-step explanation:
-_-
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Answer:

Step-by-step explanation:

GCF: 
The constant of proportionality is 5
For the first bar day: 1 cell phone sold: 5 (unit rate:5)
second bar day: 2 cell phones sold: 10 (unit rate:5)
third bar Day: 3 cell phones sold: 15 (unit rate: 5)
fourth bar day: 4 cell phones sold: 20 (unit rate 5)
Basically you divide the cell phones sold by the day or 
Hope this helped <3