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Murrr4er [49]
3 years ago
12

Maya added 5 grams of salt into 20 grams of 50% salt solution. She made ___ grams of ___% salt solution.

Mathematics
1 answer:
AlladinOne [14]3 years ago
7 0
Consider the suggested option:
1) if in 20 gr. of 50% solution given, then pure salt in this mix is 0.5*20=10 gr., and pure water is 0.5*20=10 gr.
2) after Maya added 5 gr. pure salt is 10+5=15 gr. Total mass of mix is 15(pure salt)+10(pure water)=25 gr.
3) new solution is 15/25=0.6 or 60%.
Answer: 25 gr. of 60% salt solution.
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natali 33 [55]
<h3>Answer: 90 cubic meters</h3>

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3 years ago
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Trava [24]

Answer:

Step-by-step explanation:

Let x represent the number of tubs of ice cream that was produced.

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C(x) = 18x + 11610

The price-demand function, in dollars per tub, is p(x)=374-2x.

The revenue function is product of the output by the price function

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Therefore,

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P(x) = 374x - 2x² - 18x - 11610

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P(x) = - 2x² + 356x - 11610

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x = [- b ±√(b² - 4ac)]/2a

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Therefore, the quantity for the smallest break-even point is 43.

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