Solution
Step 1
Convert pounds to kg
1lb = 0.454kg
[tex]\begin{gathered} 130\text{ lb = 130 }\times0.454 \\ \\ =\text{ 58.967 kg} \end{gathered}[/tex]Step 2
[tex]\begin{gathered} Total\text{ drugs = 10mg }\times58.967 \\ =\text{ 589.67 mg} \\ \\ Drug\text{ per dose = }\frac{589.67}{4}=\text{ 147 mg} \end{gathered}[/tex]