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ki77a [65]
3 years ago
14

Sophie ruth is eating a 50-gram chocolate bar which contains 30% cocoa

Mathematics
2 answers:
Sveta_85 [38]3 years ago
8 0

Answer:

There are 15 grams of cocoa in the chocolate bar

Step-by-step explanation:

In order to find the amount of something based on it's percent, you multiply the number * 0.the percent

50 * 0.30 = 15

Dennis_Churaev [7]3 years ago
4 0

Answer:

15

Step-by-step explanation:

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Neporo4naja [7]
The correct answer would be A) 3/4=21/28

Explanation: 3 x 7=21; 4 x 7=28. None of the other answer choices demonstrate a proportion. Hope this helps:)

5 0
3 years ago
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A shop has a 3 for 2 offer on chocolate bars The normal price of a chocolate bar is 72p Sian gets 3 chocolate bars from the shop
Agata [3.3K]

Answer:

1.44 pounds

Step-by-step explanation:

From the above question, we are told that:

The shop has 3 for 2 offer on chocolate bars going on .This means a customer can buy 2 chocolates get 1 free, for the price of 2 chocolates, a customer can get 3 chocolates.

If the price of 1 chocolate bar = 72p

2 chocolate bars =

72p × 2

= 144p

Hence, Sian spends 144p

We are asked to convert our answer to pounds

The symbol p represent pence in money form

Hence,

100p(pence) = 1 pound

144p(pence) = x

100p × x = 144p × 1

x = 144p/100p

x = 1.44 pounds

Therefore, Sian spends 1.44 pounds

7 0
3 years ago
Please show work 7r + 21 = 49r
gulaghasi [49]

Answer:

1/2 = r

Step-by-step explanation:

7r + 21 = 49r

Subtract 7r from each side

7r-7r + 21 = 49r-7r

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Divide each side by 2

21/42 = 42r/42

1/2 = r

5 0
2 years ago
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ollegr [7]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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