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bri9263
27.09.2019 •
Mathematics
Answer
maddy is carrying a 5 liter jug of sports drink that weighs 7.5 kg. she wants to know how many kilograms a 2 liter jug of sports drink would weigh (w). she assumes the relationship between volume and weight is proportional.
which proportion could maddy use to model this situation?
a. w/2 = 7.5/5
b. w/7.5 = 5/2
solve the proportion to determine the weight of a 2 liter jug.
Solved
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Ответ:
Answer
The Maddy uses the proportion for this situation be (a) .
Reason
Let us assume that the weigh of a 2 liter jug of sports drink be x .
As given
Maddy is carrying a 5 liter jug of sports drink that weighs 7.5 kg.
She have a 2 liter jug of sports drink .
Than
5 liter = 7.5 kg.
Now for the 2 liter jug of sports drink .
Than equation becomes
Or written as
solving
w = 3 kg
Therefore 3 kilograms a 2 liter jug of sports drink would weigh .
Option (a) is used .
Ответ:
a.![\frac{w}{2}=\frac{7.5}{5}](/tpl/images/0268/1614/d60cd.png)
The weight of a 2 liter jug. = 3 kg
Step-by-step explanation:
Given: The weight of 5 liter jug of sports drink = 7.5 kg
Let w be the weight of 2 liter jug.
Since, she assumes the relationship between volume and weight is proportional.
Then, by direct proportion, we have
Hence, Maddy use the proportion:![\frac{w}{2}=\frac{7.5}{5}](/tpl/images/0268/1614/d60cd.png)
When we multiply 2 on both sides, we get
Hence, the weight of a 2 liter jug = 3 kg
Ответ: