A certain method for calculating pediatric drug dosages states that if (2024)

carcass

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A certain method for calculating pediatric drug dosages states that if[#permalink]30 May 2024, 06:44

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A certain method for calculating pediatric drug dosages states that if $d$ is the adult dosage, in milligrams, and $y$ is the child’s age, in years, then the child’s dosage, in milligrams, is $d \times (\frac{y+1}{24})$. If the adult dosage for a particular drug is 800 milligrams, what is an 8-year-old child’s dosage, in milligrams, according to this method?

A. 200
B. 225
C. 250
D. 275
E. 300

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Re: A certain method for calculating pediatric drug dosages states that if[#permalink]30 May 2024, 08:14

Kudos

Y is 8
Dosage shall be 9/24 = 0.375
0.375×800 =300
Option E

carcass is this new OG question?

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carcass

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Re: A certain method for calculating pediatric drug dosages states that if[#permalink]30 May 2024, 08:54

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Until now....yes the only one

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DanTheGMATMan

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Re: A certain method for calculating pediatric drug dosages states that if[#permalink]31 May 2024, 05:38

Kudos

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Yayy a new problem. Pretty straightforward:

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stne

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Re: A certain method for calculating pediatric drug dosages states that if[#permalink]02 Jun 2024, 09:21

Kudos

carcass wrote:

A certain method for calculating pediatric drug dosages states that if d is the adult dosage, in milligrams, and y is the child’s age, in years, then the child’s dosage, in milligrams, is $d=(\frac{y+1}{24})$. If the adult dosage for a particular drug is 800 milligrams, what is an 8-year-old child’s dosage, in milligrams, according to this method?

A. 200
B. 225
C. 250
D. 275
E. 300

The child's dosage is given by $d = \frac{y+1}{24}$,

Yet everyone is doing :Child's dose == d*($\frac{y+1}{24}$), why?

Infact according to original eqn : $800 = \frac{9}{24}$, which is not possible.

carcass, is there a typo. Thank you.
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carcass

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Re: A certain method for calculating pediatric drug dosages states that if[#permalink]02 Jun 2024, 09:40

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Fixed. Thank you. = instead of *.....but of course the formula must have *. Just a mismatch. My bad

d=800 and y=8. These are given

Put into the formula

$800 \times \dfrac{8+1}{24}$

Calculate

300 is the answer
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gmatclubot

Re: A certain method for calculating pediatric drug dosages states that if[#permalink]

02 Jun 2024, 09:40

A certain method for calculating pediatric drug dosages states that if (2024)

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