To get the square feet we need to first get the units (feet and inches in this case) the same. Since you're still going to have to buy an additional bag of salt to cover the extra 6 inches (Since 3 feet = 36 inches and you have 42 inches) we might as well round it to the nearest foot. 42 is closer to 48 inches which is 4 feet.
14 feet x 48 inches/12 inches/feet = 14 feet x 4 feet = 56 feet²
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It is 2.4 liters of salt.
20%
how much salt to equal one pound of gold
100gms 100gms ANSWER you can never tell how much salt is in a litre of seawater it varies where you are. the average salts is 35ppt (parts per thousand)
98 mL