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Alex73 [517]
3 years ago
10

What is the weight of the 2 liter jug?

Mathematics
2 answers:
statuscvo [17]3 years ago
7 0
You can do this:
5/7.5=2/x 
cross multiply, and get 5x=15
x=3
Thus, the weight of a two-liter jug should equal 3kg
Hope this helps!
lord [1]3 years ago
5 0
\bf \begin{array}{ccll}
liters&kgs\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
5&7.5\\
2&k
\end{array}\implies \cfrac{5}{2}=\cfrac{7.5}{k}\implies k=\cfrac{2\cdot 7.5}{5}
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Answer:

=1

Step-by-step explanation:

( - 9)5 ÷ ( - 9)5

-45/-45

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3 years ago
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You are mowing a lawn. After 12 minutes, 52% of the lawn still needs mowed. How long does it take to mow the entire lawn? Write
aleksley [76]
12/x = 52/48
12 * 48 = 52x
x = 11.07 This is one way to do it.

Let the time = x
Let the part of the lawn = y

The general equation
y = k*x
52/100 = k * 12
k = 0.043333 
y = 0.043333*x
y = 0.043333* 11.08
y = 0.48 which is what it should be.

Yet another way is to let y = kx
52 = k*12
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y = 4.333333 * 48
48  = 4.333333 * x
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3 years ago
What is the ratio of 36 to 20 in simplest form?
ollegr [7]
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--------    =     --------      = 9:5
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an architect created a scale model of a building. the length of the model is 15 inches. the scale factor used to create the mode
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4 0
3 years ago
Two skiers are 30 kilometers apart and head towards each other. They meet in 2 hours. If the second skier is 5 kilometers per ho
DENIUS [597]

Answer:

Speed of first skier = 5 km/h

Speed of second skier = 10 km/h

Step-by-step explanation:

Given:

Distance between skiers = 30 km

Time after which they meet = 2 hours

Second skier is 5 km/h faster than the first skier.

To find speed of each skier.

Solution:

Let the speed of first skier be in km/h =x

<em>Distance covered in km 2 hours will be = Speed\times time=x\times 2=2x\ km</em>

Speed of second skier in km/h can be given as = x+5

<em>Distance traveled by second skier after 2 hours will be = Speed\times time=(x+5)\times 2=(2x+10)\ km   [Using distribution]</em>

Since, the skiers were 30 km apart initially, so the total distance covered by both of them when they meet after 2 hours will be = 30 km

Thus, we have:

2x+2x+10=30

Solving for x

4x+10=30

Subtracting both sides by 10.

4x+10-10=30-10

4x=20

Dividing both sides by 4.

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x=5

Speed of first skier = 5 km/h

Speed of second skier = 5+5 = 10 km/h

8 0
3 years ago
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