1MA0 Higher June 2015 Paper 2 Q8
8 Sandra has a piece of string 153 cm long.
She cuts the string into three lengths in the ratio 4 : 2 : 3
Work out the length, in centimetres, of each piece of string. (3)
| Answer | Mark | Notes |
|---|---|---|
| 68 34 51 | 3 | M1 for \(153 \div (4 + 2 + 3)\) (=17) or for a correct method to scale up to at least 44:22:33 without error M1 (dep M1) for “17” × 4 or “17” × 2 or “17” × 3 or for a complete method to build up to 68:34:51 with at least two of these values correct A1 for 68, 34, 51 in any order (If M0, SC B2 for two correct lengths) |