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A1 for 10.8 – 10.82 4 (a) Negative 1 B1 cao (b) 117–123 2 M1 for a line of best fit drawn between (9,130) and (9, 140) and between (13,100) and (13,110) inclusive . A1 for 117 – 123 5 x + 4x > 2(x + 48) 5x > 2x + 96. 3x > 96. x > 32. OR. S. N. C. S+C. 2N ................
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