Divide $420 in the ratio 1:3:2. (2 marks)
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\($70, $210 \text{ and } $140\)
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\(\text{Total number of parts}=1+3+2=6\)
| \(\dfrac{1}{6}\times 420\) | \(=70\) |
| \(\dfrac{3}{6}\times 420\) | \(=210\) |
| \(\dfrac{2}{6}\times 420\) | \(=140\) |
\(\therefore\ $420\ \text{divided in the ratio }\ 1:3:2\ \text{ is }\ $70, $210\ \text{and } $140.\)