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.
Answer:
14x+42y
Step-by-step explanation:
7(2x+6y)
14x+42y
Answer: y = 3/4x
Step-by-step explanation:
Each y-value output is 3/4 of the x-value inputted.
8 x 0.75 = 6
12 x 0.75 = 9
Answer:
87,500 kg-m/s
Step-by-step explanation:
Momentum = Mass * velocity
3500*25 = 87,500