Year 7 - Q2.3.04
20350
Red rods have length \(x\,\mathrm{cm}\), and blue rods have length \(y\,\mathrm{cm}\). Two arrangements are joined end to end without overlap. Use the table to write and simplify their combined length.
| Arrangement | Red rods | Blue rods |
|---|---|---|
| A | \(3\) | \(2\) |
| B | \(2\) | \(4\) |
Hint
Group lengths from rods of the same colour.