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Akimi4 [234]
2 years ago
7

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]2 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]2 years ago
4 0
I do not know just need answers really hard questions
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A shop owner offered a 20% discount off the regular price of a mirror. The amount of discount is $3 what is the regular price of
Alisiya [41]

Answer: $15

Step-by-step explanation:

The normal price of the mirror is unknown we do not know that yet. So, let y represent the unknown number. The discount is 20 percent, we turn 20 into a decimal which would be 0.2. The amount of discount is $3. So, 0.2y equals to $3.

Then we divided.

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5 0
2 years ago
Plz help me w this !!
larisa [96]

Answer:

sum of angles in atriangle=180°

Step-by-step explanation:

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7 0
2 years ago
314 stones for a cost of 2,512.00, how many stones are needed is the cost is 1,584.00
kondor19780726 [428]

Answer:

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3 years ago
What is the sum of 1/3 + 5 3/4 as a mixed number in simplest form
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3 0
3 years ago
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