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.
If a = 0.3 with a line over 3 and b = 0.5 with a line over 5, what is the value of a + b?
2 answers:
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