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Luden [163]
3 years ago
5

PLEASE HELP!!!!!

Mathematics
1 answer:
Ratling [72]3 years ago
8 0

Answer:

The system equation:

\left \{ {{0,25x+0.10y=2.40} \atop {x+y=12}} \right.

Step-by-step explanation:

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3 years ago
8 times 4/3 times a = 8
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Answer:

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Step-by-step explanation:

8 \times  \frac{4}{3}  \times a = 8

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The ratio of boys to girls in band class was 3 to 5. If there were 24 boys. How many girls were in band class?
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Answer:

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Step-by-step explanation:

Set up a proportion where x is the number of girls in band class:

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So, there were 40 girls in band class.

7 0
3 years ago
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Step-by-step explanation:

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