Express the following statements as a linear equation in two variables.
i) The sum of two numbers is 50
ii) Ramesh and Suresh contributed `.1500/- towards an orphanage
iii) Ravi got 5 more marks than double the marks of Raju
iv) Cost of 10 pens and 5 pencils is `.125/-
v) Radha's age is 3 times the age of Rajini
Answers
Answer:
the sum of two numbers is 50 option A
Step-by-step explanation:
I hope it helps
Given,
i) The sum of two numbers is 50
ii) Ramesh and Suresh contributed `.1500/- towards an orphanage
iii) Ravi got 5 more marks than double the marks of Raju
iv) Cost of 10 pens and 5 pencils is `.125/-
v) Radha's age is 3 times the age of Rajini
To Find,
Express the following statements as a linear equation in two variables.
Solution,
We can solve the question as follows:
i) The sum of two numbers is 50
Let the first number be x and the other number be y.
Their sum is equal to 50.
Answer:
ii) Ramesh and Suresh contributed 1500/- towards an orphanage
Let the money contributed by Ramesh be x and the money contributed by Suresh be y.
The total money contributed by both of them is Rs. 1500.
Answer:
iii) Ravi got 5 more marks than double the marks of Raju
Let Raju's marks be x and Ravi's marks be y.
Ravi's marks are five more than double the marks of Raju.
Answer:
iv) Cost of 10 pens and 5 pencils is 125/-
Let the cost of one pen be Rs. x and the cost of one pencil be Rs. y
Then,
The total cost is equal to Rs. 125.
Answer:
v) Radha's age is 3 times the age of Rajini
Let Rajini's age be x and Radha's age be y.
Radha's age is 3 times the age of Rajini's.
Answer: