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Vilka [71]
3 years ago
5

Yuson must complete 30 hours of community service. She does 2 hours each day. Which linear equation represents the hours Yuson h

as left after x days?
Mathematics
2 answers:
marissa [1.9K]3 years ago
8 0

Answer: 30 - 4 = 26

Step-by-step explanation:

30 - 2x = 0

so after 2 days he will have done 4 hours so 30 - 4 = 26

Effectus [21]3 years ago
5 0
<h2>Answer:</h2>

Linear equation which represents the hours Yuson has left after x days is:

30-2x

<h2>Step-by-step explanation:</h2>

Yuson must complete 30 hours of community service.

She does 2 hours each day.

i.e. in x days, hours of service done= 2x

After x days hours of service left= 30-2x

Hence, linear equation which represents the hours Yuson has left after x days is:

30-2x

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A car seller buys a car from a manufacturer for $8,000. He increases the cost by 6 percent. What is the markup value?
murzikaleks [220]
Mark up value is either a fixed amount or a percentage of the total cost or selling price.

In this problem, mark up value is the percentage of the total cost.

To determine the retail price, total cost and mark up must be added.

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Let X = total cost.
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X = $8,000 - 6%X
X = $8,000 - 0.06X

To get X, transfer -0.06X to the other side and change its sign from negative to positive.

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total cost.

The problem is looking for the mark up value and since it states that the mark up value is 6% of the total cost, then:

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$7,547.17 x  0.06 = $452.83 mark up value

To check:

X + 0.06X = $8000

$7547.17 + $452.83 = $8000
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3 years ago
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