Answer:
a. 3
b. 6
and i got the last answer as 11
I am not too sure about the last one, sorry. Hope this helped!
Step-by-step explanation:
There’s an app that can solve this easily called photo math it’s what I used But x= 3
C because since X in the equation is negative the negative value for x will cancel and 7.2 becomes positive. there fore 7.2+3.9=11.1
Answer: 2.9 minutes.
Step-by-step explanation:
Given: Rate of filing the tank = 12 gallons per minute
Total volume of reservoir = 35 gallons
Time taken to fill the reservoir = 

hence, time taken to fill the reservoir = 2.9 minutes.