Q Answer Mark Comments 9 (550 250) 3 M1 J + W = 250 or J + 4W = 550 – ÷ 100 A1 3W = 300 or W = 100 250 their 100 M1Dep 100 + J = 250 or 400 + J = 550 – 150 A1 9 M1 ) (= – Alt 1 A1 Their = 300 or = 100 250 their 100 M1Dep – 150 A1 9 M1 550 marked by top division and 250 marked by bottom division on same Alt 2 diagram A1 100 marked between any two divisions is 300 indicated as difference on M1, A1 diagram or 350 and 450 written by intermediate divisions 150 marked at bottom M1Dep
Q Answer Mark Comments 9 (550 – 250) ÷ 3 M1 J + W = 250 or J + 4W = 550 100 A1 3W = 300 or W = 100 250 – their 100 M1Dep 100 + J = 250 or 400 + J = 550 150 A1 9 Alt 1 – (= ) M1 Their = 300 or = 100 A1 250 – their 100 M1Dep 150 A1 9 Alt 2 550 marked by top division and 250 marked by bottom division on same diagram M1 300 indicated as difference on diagram or 350 and 450 written by intermediate divisions A1 100 marked between any two divisions is M1, A1 150 marked at bottom M1Dep