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Mr. Perry has been prescribed a liquid medication. He is to have 10 ml twice a day. The bottle holds 100 ml. How many days' worth of medication does he have?

Sagot :

Explanation:

10 ml twice a day.

that means 2×10 = 20 ml per day.

he has 100 ml.

how many times does 20 fit into 100 ? that is how many days' worth he has :

100/20 = 5

he has 5 days' worth of medication.