If the cost of one notebook is twice the cost of one pen, then find the cost of one pen?
( The value of x = 20 and y = 10)
Answers
Answered by
19
QUESTION: If the cost of one notebook is twice the cost of one pen, then find the cost of one pen?
QUESTION: If the cost of one notebook is twice the cost of one pen, then find the cost of one pen?( The value of x = 20 and y = 10)
Answer:
Let the cost of a notebook be Rs.x and that of a pen be Rs.y.
Given that the cost of a notebook is twice the cost of a pen
Then,
Given
So,
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Answered by
3
Unitary Method-Notebook, Pen
Given:
One notebook's cost is same as cost of two pens.
To Find:
Cost of one pen
Step-by-step explanation:
- For these type of question first we need to find the relation between the price of two things.
- Then if values are not given , then suppose the variables to be the price.
- Put it into equation.
- Find the value for one article.
- Use unitary method to find the value of N article as asked in question.
Let the cost of one notebook be x
Let the cost of one pen be y
According to question:
Its given that x=20, and y=10
So, this values get correct into the equation.
Hence, the cost of one pen will be 10 units (units is any currency).
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