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Elis [28]
3 years ago
11

The value of Maggie's car decreased by 10% since last year, when she bought it. If the car is now worth $11,000.00, how much was

the car worth when she bought it?
Mathematics
1 answer:
shutvik [7]3 years ago
8 0
The value is decreased by 10%. This means that current price is 100%-10%=90% of the original price. Now we can solve this by using ratios

90%             $11000
100%           $x

Now we cross multiply numbers and solve it for x:
90*x = 100 * 11000
90x = 1 100 000
x= 1 100 000 / 90
x= $12 222,22

When Maggie bought a car theprice was $12 222,22
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Answer:

-2

or

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Answer:

Cost = \$28

Step-by-step explanation:

Given

Represent Goldfish with g and hermit crabs with h.

The first statement, we have:

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The second statement, we have:

4g + 5h = 28

Required

Determine the selling price of 6 goldfish and 4 hermit crabs

The equations are:

7g + 3h = 26 --- (1)

4g + 5h = 28 --- (2)

Make g the subject in (2)

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4g = 28 - 5h

Divide both sides by 4

g = \frac{1}{4}(28 - 5h)

Substitute \frac{1}{4}(28 - 5h) for g in (1)

7g + 3h = 26

7(\frac{1}{4}(28 - 5h)) + 3h = 26

\frac{7}{4}(28 - 5h) + 3h = 26

Multiply through by 4

4 * \frac{7}{4}(28 - 5h) + 4*3h = 26*4

7(28 - 5h) + 4*3h = 26*4

Open bracket

196 - 35h + 12h = 104

196 -23h = 104

Collect Like Terms

-23h = 104-196

-23h = -92

Make h the subject

h = \frac{-92}{-23}

h = \frac{92}{23}

h = 4

Substitute 4 for h in g = \frac{1}{4}(28 - 5h)

g = \frac{1}{4}(28 - 5*4)

g = \frac{1}{4}(28 - 20)

g = \frac{1}{4}(8)

g = 2

This implies that:

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5 0
3 years ago
Quotient of 2/5 ÷ 1/4<br>​
yKpoI14uk [10]
2/5 : 1/4 =2/5 *4=8/5
6 0
3 years ago
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dezoksy [38]
There might be a variety of averages for the 12 boys.
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3 years ago
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Answer:

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Esta cantidad pagada por papá es $160.

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2 years ago
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