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svlad2 [7]
3 years ago
9

Help me on these questions

Mathematics
1 answer:
tatyana61 [14]3 years ago
8 0
2) 5:3=15:25
3)18:12=27:8
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5 0
3 years ago
Kerrie uses the work shown below to determine 35% of 280.
lys-0071 [83]

For this case we must find 35% of 280.

Kerrie gets 10% and then 25%. So:

10% of 280:

280 ------------> 100%

x -----------------> 10%

Where "x" represents the amount given by 10% of 280.

x = \frac {10 * 280} {100}\\x = 28

Thus, 10% of 280 is 28.

Now, we find 25% of 280:

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Where "x" represents the amount given by 25% of 280.

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Thus, 25% of 280 is 70.

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Answer:

Option A

6 0
3 years ago
Read 2 more answers
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