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KIM [24]
3 years ago
7

An art teacher needs to buy at least 60 brushes for her class. The brushes are sold in packs of 8. In which inequality does n re

present the minimum number of packs the teacher needs to buy for her class?
Mathematics
1 answer:
VikaD [51]3 years ago
4 0

Answer:

n\leq  8

Step-by-step explanation:

Given: An art teacher needs to buy at least 60 brushes for her class.

Number of brushes in each pack is equal to 8.

To find:  inequality where n represent the minimum number of packs the teacher needs to buy for her class

Solution:

Total number of brushes \leq  60

Also,

Total number of brushes = 8n where n represent the minimum number of packs the teacher needs to buy for her class

According to question,

8n\leq 60\\n\leq \frac{60}{8}\\=7.5\\\approx 8

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A new American graduate is contemplating buying a
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Answer:

The best option is to buy Japanese Car.

Step-by-step explanation:

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Fuel cost (year 1 -8) = $3.0, $3.06, $3.12, $3.18, $3.25, $3.312, $3.38, $3.5

Japanese Car:

Fuel usage 18750 / 23 = 815 * $3 = $2446

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Repair Cost (year 1 - 8) = $700, $721, $742, $764, $787, $811, $835, $860

Insurance cost (Year 1 - 8) = $700, $714, $728, $742, $757, $772, $788, $804

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Cost $35,000

Fuel usage 18750/20 = 937.5 * $3 per gallon = $2812.5.

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Cost = $45,000

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