Given that a family has a phone plan that includes 6 GB of data per month. 15 days into a 30-day month, the family has used 2 GB.
The family used 2 GB for 15 days
Multiplying by 2 to get 30 days.
[tex]2\text{ }\times2\text{GB=15 }\times2\text{days}[/tex][tex]4\text{GB=30days}[/tex]For an entire month, the family can use 4GB.