Mathematics, 17.10.2019 05:50 xtrabad2ov5d6h

Ahardware store owner bought a used refrigerator for $155 and marked it to sell for a profit of 30% on the cost. he then sold it for 10% less than the marked price. what is the percent profit made by the owner?

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The answer is 17%.

First, we need to calculate what is the marked price. If it is 30% on the cost price, then the marked price is 130% (100% + 30% = 130%) of the cost price.
$155 is 100%, and we need to find out how much is 130% of $155:
$155 : 100% = x : 130%
x = $155 · 130% ÷ 100%
x = $201.5
Thus, the hardware store owner marked the refrigerator to sell for $201.5.

But, at the end, he sold it for 10% less than the marked price. In other words, he sold it for 90% (100% - 10% = 90%) of the marked price, and we need to calculate this percent.
Now, $201.5 is 100%, and we need to find out how much is 90% of $201.5:
$201.5 : 100% = x : 90%
x = $201.5 · 90% ÷ 100%
x = $181.35

Next, we want to calculate percent profit.
Here, $155 is cost price and it is 100% while $181.35 is sold price and it is a profit, which percent we need to calculate:
$155 : 100% = $181.35 : x
x = $181.35 · 100% ÷ $155
x = 117%

The percent profit is difference between sold and cost price percent:
117% - 100% = 17%

Therefore, the percent profit made by the owner is 17%.

Answer from: little68941

Original Cost : $155
Marked Price : 155 * 1.30 = $201.5
Sold price : $201.50 - (0.10*201.50) = $181.35

Profit (%) = (181.35/155)*100=117%

So, there is 17% increase in the original price.so he earned 17% profit.

Answer from: Quest

answer:

it will cost 480 dollars to refurbish the larger wood floor

step-by-step explanation:

as it's a ratio of 4 that costs 384 dollars, divide the price by the ratio

384 / 4 = 96 dollars

96 dollars per unit of the ratio

now to get the price to refurbish the larger wood floor, times the price by the units

96 * 5 = 480

Answer from: Quest

x = ±sqrt(10)

step-by-step explanation:

5 - 2x² = -15

subtract 5 from each side

5-5 - 2x² = -15-5

-2x^2 = -20

divide by -2 on each side

-2x^2 /-2= -20/-2

x^2 =10

take the square root on each side

sqrt(x^2 )=±sqrt(10)

x = ±sqrt(10)

check:

5 - 2x² = -15

+sqrt(10)

5 - 2(sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

-sqrt(10)

5 - 2(-sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

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Ahardware store owner bought a used refrigerator for $155 and marked it to sell for a profit of 30%...

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