1MA0 Higher June 2012 Paper 1 Q5
5

You can work out the amount of medicine, \(c\) m\(l\), to give to a child by using the formula
\[c = \frac{ma}{150}\]\(m\) is the age of the child, in months.
\(a\) is an adult dose, in m\(l\).
A child is 30 months old.
An adult’s dose is 40 m\(l\).
Work out the amount of medicine you can give to the child. (2)
| Working | Answer | Mark | Notes |
|---|---|---|---|
| \(c = \dfrac{30 \times 40}{150}\) | 8 | 2 | M1 for \(\dfrac{30 \times 40}{150}\) or 1200 seen A1 cao |