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3 years ago

The price of a ring was increased by 9% to £1800. What was the price before the increase? Give your answer to the nearest penny.

Mathematics

2 answers:

Alla [95]3 years ago

6 0

Answer:

see steps

Step-by-step explanation:

New price was increase from 100% to 109% at £1800.

By proportionality,

old price / 100% = 1800 / 109%

Cross multiply to get

old price = $1800 * 100% / 109% = £1651.38

Firlakuza [10]3 years ago

4 0

I do not know just need answers really hard questions

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