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The cost of making a gold necklace is $10 less than four times the cos
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08 Apr 2023, 10:26
08 Apr 2023, 10:26
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66% (00:54) correct
33% (00:54) wrong based on 15 sessions
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The cost of making a gold necklace is $10 less than four times the cost of making a diamond ring. If the cost of making a gold necklace is $50 then the total cost of making a gold necklace and a diamond ring is?
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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2508
Given Kudos: 1053
GPA: 3.39
Re: The cost of making a gold necklace is $10 less than four times the cos
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15 Apr 2023, 21:06
15 Apr 2023, 21:06
1
Expert Reply
Let's denote the cost of making a diamond ring as "d".
Given that the cost of making a gold necklace is $10 less than four times the cost of making a diamond ring, we can set up the following equation:
Cost of making a gold necklace = 4 * Cost of making a diamond ring - $10
Since the cost of making a gold necklace is given as $50, we can substitute this value into the equation:
$50 = 4d - $10
Adding $10 to both sides of the equation:
$50 + $10 = 4d
$60 = 4d
Dividing both sides of the equation by 4:
$60 / 4 = d
$15 = d
So, the cost of making a diamond ring is $15.
Now, to find the total cost of making a gold necklace and a diamond ring, we simply add the cost of making each individual item:
Cost of making a gold necklace + Cost of making a diamond ring = $50 + $15 = $65
Therefore, the correct answer is $65.
Given that the cost of making a gold necklace is $10 less than four times the cost of making a diamond ring, we can set up the following equation:
Cost of making a gold necklace = 4 * Cost of making a diamond ring - $10
Since the cost of making a gold necklace is given as $50, we can substitute this value into the equation:
$50 = 4d - $10
Adding $10 to both sides of the equation:
$50 + $10 = 4d
$60 = 4d
Dividing both sides of the equation by 4:
$60 / 4 = d
$15 = d
So, the cost of making a diamond ring is $15.
Now, to find the total cost of making a gold necklace and a diamond ring, we simply add the cost of making each individual item:
Cost of making a gold necklace + Cost of making a diamond ring = $50 + $15 = $65
Therefore, the correct answer is $65.
gmatclubot
Re: The cost of making a gold necklace is $10 less than four times the cos [#permalink]
15 Apr 2023, 21:06
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