Question 856390: After visiting her doctor,jinney went to the pharmacy for a two-week supply of Zyrtec,a 20-day supply of Albuterol, and a 30-day supply of Pepcid. Jinney refills each prescription as soon as her supply runs out. How long will it be until she can refill all three prescriptions on the same day ?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! After visiting her doctor,jinney went to the pharmacy for a two-week supply of Zyrtec,a 20-day supply of Albuterol, and a 30-day supply of Pepcid. Jinney refills each prescription as soon as her supply runs out. How long will it be until she can refill all three prescriptions on the same day ?
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Find the least common multiple of 20,30,14.
20 = 2^2*5
30 = 2*3*5
14 = 2*7
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lcm = 2^2*5*7 = 140 days
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Cheers,
Stan H.
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