A veterinary gives a dog 1/2 ounce of cough medicine at 6 PM and 1/4 ounce at 10 PM. What is the total amount of cough medicine administered?

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Multiple Choice

A veterinary gives a dog 1/2 ounce of cough medicine at 6 PM and 1/4 ounce at 10 PM. What is the total amount of cough medicine administered?

Explanation:
The essential idea is adding fractions that share the same unit. To combine 1/2 ounce and 1/4 ounce, use a common denominator: 1/2 is the same as 2/4. So 2/4 plus 1/4 equals 3/4. Therefore the total amount given is 3/4 ounce. The times don’t change the quantity added; it’s just two fractional amounts summed.

The essential idea is adding fractions that share the same unit. To combine 1/2 ounce and 1/4 ounce, use a common denominator: 1/2 is the same as 2/4. So 2/4 plus 1/4 equals 3/4. Therefore the total amount given is 3/4 ounce. The times don’t change the quantity added; it’s just two fractional amounts summed.

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