Higher November 2023 Paper 2 Q5
5 Chris, Debbie and Errol share some money in the ratio \(3 : 4 : 2\)
Debbie gets £120
Chris then gives some of his share to Debbie and some of his share to Errol.
The money that Chris, Debbie and Errol each have is now in the ratio \(2 : 5 : 3\)
How much money did Chris give to Errol? (4)
| Answer | Mark | Mark scheme |
|---|---|---|
| 21 | P1 | for process to work correctly with initial ratio, eg \(120 \div 4 \times 9\ (= 270)\) or \(90 + 120 + 60\ (= 270)\) |
| P1 | for process to find the value of 1 part in the new ratio, eg \(\text{``}270\text{''} \div (2 + 5 + 3)\ (= 27)\) | |
| P1 | for complete process to find both values for Errol, eg \(\text{``}27\text{''} \times 3\ (= 81)\) and \(120 \div 4 \times 2\ (= 60)\) | |
| A1 | cao |
Additional guidance
Can be implied by \(90 : 120 : 60\) or by a second ratio that totals 270