Answer:
1.8
Step-by-step explanation:
cuz
if 1L is equal to 0.26
then 7×0.26
= 1.8
hope it helps
First lets remove the initial fee

150 is how much she is charging you per hour.
If each hour is 55, lets divide 150 by 55.

She charged you for 2.7 hours (almost 3) of service
What is supposed to be the underlined digit
The anwser is 40 becuase when you add 24+16=40