is that a true or false kind of question or what is it meant to be?
In the old aquarium, 3 tablespoons of salt were used for 20 gallons. That's a conversion ratio of

That is, for every gallon of water in the aquarium, there was 0.15 tbsp of salt. So a 50 gallon aquarium, Ill should add

to maintain the salinity.
−15.82x + 20.042
calculated it
Answer:

Step-by-step explanation:
Let’s find the common difference.
The common difference can be found by subtracting a term in the sequence with the previous term.

Apply formula for the
term of an arithmetic sequence.

is the first term of the sequence.
is the common difference.



Answer:
12
Step-by-step explanation: