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svet-max [94.6K]
2 years ago
11

A particular style of jacket costs the retailer $85 per jacket. At what price should the retailer mark them so he can sell them

at a 15% discount off the original price and still make 30% profit on his cost?
Mathematics
1 answer:
postnew [5]2 years ago
7 0

Answer:

$130

Step-by-step explanation:

Cost = 85

To make 30% profit, he would need to sell them at:

85 + (0.3)(85) = 110.5

Now, he would need to sell them at 110.5 AFTER giving  a 15% discount. So essentially we are asking, "<em>What number discounted (decreased) by 15% would give us 110.5??"</em>

<em />

We can let that price be x and write the equation:

x - (0.15)(x) = 110.5

x - 0.15x = 110.5

0.85x = 110.5

x = 110.5/0.85 = 130

The retailer should mark the jacket at $130

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A\cap B=\{2,4\}

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11, 22, 44, ...<br> Find the 7th term.
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1 year ago
There are six children in a family. Five of them are respectively 2, 6, 8, 12 and 14 years older than the youngest, and the age
german

The youngest is 5 years old

Step-by-step explanation:

The prime numbers are the numbers that have only two factors

1 and itself

Example: 2, 3, 5, 7, 11, 13, 17, 19, 23, .......

There are six children in a family

  • Five of them are respectively 2, 6, 8, 12 and 14 years older than the youngest
  • The age of each child is a prime number

We need to find the age of the youngest

Assume that the age of the youngest is x years old

∵ The age of the youngest is x years old

∵ The ages of other children are respectively 2, 6, 8, 12 and 14 years

   older than the youngest

∴ The ages of other children are respectively

→ x + 2

→ x + 6

→ x + 8

→ x + 12

→ x + 14

∵ The age of each child is a prime number

- Let us chose x from the list of the prime number above to find the

  correct x which makes all the ages are prime

If x = 2

∵ x + 2 = 2 + 2 = 4 ⇒ not prime

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If x = 3

∵ x + 2 = 3 + 2 = 5 ⇒ prime

∵ x + 6 = 3+ 6 = 9 ⇒ not prime

∴ x can not be 3

If x = 5

∵ x + 2 = 5 + 2 = 7 ⇒ prime

∵ x + 6 = 5 + 6 = 11 ⇒ prime

∵ x + 8 = 5 + 8 = 13 ⇒ prime

∵ x + 12 = 5 + 12 = 17 ⇒ prime

∵ x + 14 = 5 + 14 = 19 ⇒ prime

∴ x can be 5

∵ The ages of the children are 5 , 7 , 11 , 13 , 17 , 19

∵ All the ages are prime numbers

∴ The age of the youngest is 5 years

The youngest is 5 years old

Learn more:

You can learn more about prime numbers in brainly.com/question/4550858

#LearnwithBrainly

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GCF of 28,42,and 56.<br><br> Please show work
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Step-by-step explanation:

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28 = 2 × 2 × 7

42 = 2 × 3 × 7

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