The original cost is $3.00.
Hope this helps and if someone else comments put mine brainliest.
Answer:
B= -1/2m
Step-by-step explanation:
Ion know wat your solving for buh theres b
Answer:
15 gallons
Step-by-step explanation:
Given that:
Pumping rate is modeled by the equation :
Q(t)=45-t gallons per minute ; where t is in minutes
Number of gallons in tank after 30 minutes ;
Q(t)=45-t
Q(30) = 45 - 30
Q(30) = 15
Hence, Number of gallons in tank after 30 minutes is 15 gallons