Question

A formula for a cough syrup contains 1 gr of codeine per fluid ounce. How many grains are contained in one teaspoonful?

Answer 1

1/6

Explanation:

given that a formula for a cough syrup contains 1 gr of codeine per fluid ounce.

We have conversion formula teaspoon to oz as

1 teaspoon = 0.1666667 oz

Using this we can say grains contained in one teaspoonful are

1 oz = 1 grain

0.1666667 oz = 0.1666667 oz

Apprxoimately

`(15)/(90) \\=(1)/(6)`