sriya92 sriya92

21-01-2021
Mathematics

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How do we solve pH = -log[H^+] for 7.3

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willb9623 willb9623

21-01-2021

Answer:

Toilet rolls come in packs of 4 and 9.

The 4-pack is priced at £2.04.

The 9-pack is priced at £4.68.

By calculating the price per roll, determine which pack is better value. Show your working.

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