1 mL=32 drops from a dropper. If a 15 mL container holds 60 equal doses of medicine, how many drops are in a dose?

Question

1 mL=32 drops from a dropper. If a 15 mL container holds 60 equal doses of medicine, how many drops are in a dose?

Macey Mata · Accepted Answer

Step 1 The problem tells you that every milliliter of the container is equivalent to 32 drops of medicine, which basically means that you are given a conversion factor that takes you from milliliters to drops or vice versa. You can calculate the number of drops present in the container by keeping in mind that the milliliters to drops ratio must be constant no. of millilitersnumber of drops=constant=132 If you take x to be number of drops in the 15 mL container, you will have 1 mL32 drops=constant=15 mLx This means that you have x=32 drops×15 ⧸mL1 ⧸mL=480 drops Now all you have to do is use the fact that the container holds 60 doses of medicine, the equivalent of 480 drops, to find the number of drops needed to have a dose of medicine. 60 doses480 drops=1 dosey You will have y=480 drops×1 ⧸dose60 ⧸doses=8 drops Therefore, you need 8 drops to have 1 dose of medicine.

1\ \text{mL} = 32 drops from a dropper. If a

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