Given:
The Last week proportion is
[tex]\begin{gathered} A=90 \\ \\ B=63 \end{gathered}[/tex]This week proportion is
[tex]B=35[/tex]Find-:
How many milligrams of madication A
Explanation-:
The proportion is same for both week
[tex](\frac{A}{B})_{\text{ Last week}}=(\frac{A}{B})_{\text{ This week}}[/tex]So, the value is:
[tex]\begin{gathered} \frac{90}{63}=\frac{A}{35} \\ \\ A=\frac{90}{63}\times35 \end{gathered}[/tex]The A is:
[tex]\begin{gathered} A=\frac{90}{63}\times35 \\ \\ A=\frac{3150}{63} \\ \\ A=50 \end{gathered}[/tex]The medication A is 50 milligram for this week
