Mathematics for IGCSE & O level - Percentages (Section 5 - No. 1)
Laura earns £12000 per year plus a commission of 7.5% on her sales. Last year she sold £76 000 of goods. What was her average monthly pay last year?
£12000
£17700
£2400
£24000
Explanation
Commission earned = 76000 * 0.075 = £5700. Total annual pay = 12000 + 5700 = £17700. Monthly pay = 17700 / 12 = £1475.
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