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25-09-2018
Mathematics

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The cost of a lack has increased by 30% to £65. Work out the original price

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25-09-2018

Cost of lack increased by 30%

new cost of lack will be = 100% + 30% = 130%

We are given that new cost = £65

Thus 130% of original cost = 65

100% of original cost = 65 × 100/130 = £50

Thus original price was £50

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