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quester [9]
3 years ago
13

Jenny is twice as old as William. 4 years ago she was six times as old as William. In 6 years time Jenny will be?

Mathematics
2 answers:
Anni [7]3 years ago
5 0
The answer is D, 10. 4 years ago she was 6, so William must have been 1 (1/6 of 6). In 6 years time she will be 16 (10+[4+6 years]).
nasty-shy [4]3 years ago
4 0
The answer is D 10years
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Four times the larger of two consecutive even integers is ten less than the smaller. What is the larger of these two numbers?
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Answer:

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Step-by-step explanation:

n = smaller integer

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7 0
3 years ago
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Lelechka [254]

Answer:

3 metres

Step-by-step explanation:

If we draw this out, we'll see that there are actually two similar right triangles (see attachment), which means that we can set up a proportion.

The height of the lookout tower corresponds to the height of the wooden column, while the shadow of the lookout tower corresponds to the shadow of the wooden column. We can then write:

(height of lookout tower) / (shadow of tower) = (height of column) / (shadow of column)

16 / 12 = 4 / x , where x is the shadow / unknown we want to find

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