The recommended daily requirement of calcium is 1,000 mg. tap water in a midwestern city contains approximately 150 mg ca/l. a person living in the city who drinks two liters of water in one day would receive percent of his/her rda of calcium.

A person living in the city who drinks two liters of water in one day would receive ____30____ percent of his/her RDA of calcium.

Explanation:

It is given that daily requirement of calcium is equal to 1000 mg

Amount of calcium per liter in tap water is equal to 150 mg/L

Amount of water taken by a person in a day is equal to

mg

Now out of 1000 mg, 300 mg is taken from tap water.

Percentage of calcium taken by a person through tap water is equal to

%

Hence,

A person living in the city who drinks two liters of water in one day would receive ____30____ percent of his/her RDA of calcium.

b

explanation: