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GuDViN [60]
4 years ago
15

What number best completes both equations

Mathematics
1 answer:
VikaD [51]4 years ago
5 0
15/7 or 2 1/7 (same number but the first one is an improper fraction and the other is a mixed fraction) 
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Brad sold candy bars and cookies for a fundraiser at school. Candy bars sold for $3, and cookies sold for $5. He sold a total of
kari74 [83]

Answer: First option

12 candy bars were sold

Step-by-step explanation:

Call x the amount of candy sold and call z the amount of cookies sold. Then we know that

x + z = 20

We also know that candy bars sell for $ 3 and cookies sell for $ 5. The profit was $ 76

So:

3x + 5z = 76

To find the quantity of candy bars sold we must solve the system of equations:

x + z = 20\\\\3x + 5z = 76

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               +

3x + 5z = 76

--------------------------------

-2x = -24\\\\x = 12

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3 years ago
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Https://us-static.z-dn.net/files/daf/fb0a011ddc9e4f3a5a050e06dabb502f.jpeg

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3 years ago
Order from least ot greatest 2/5, 4%, 0.29, 27/100
eimsori [14]

You're answer:

2/5  4%  .29  27/100

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