Question

samir and jillian share a phone plan. each month they can use a combined total of up to 8 gb. so far this month, samir has used 4.23 gb and jillian has used 2.89 gb. they want to know if they still have data left to use.
you found that samir and jillian have used about 7 gb of data.
do samir and jillian have any data left to use?
samir and jillian have used ? 8 gb of data,
so they ? have data left to use.

Explanation:

Step1: Calculate total used data

$4.23 + 2.89 = 7.12$ GB

Step2: Compare to plan limit

$7.12 < 8$

Step3: Determine data left status

Since used < limit, data remains.

Answer:

Samir and Jillian have used less than 8 GB of data,
so they do have data left to use.