Express the following statements as a linear equation in two variables.
Yamini and Fatima of class IX together contributed ` 200/- towards the Prime Minister’s Relief Fund.

Express the following statements as a linear equation in two variables. The sum of two numbers is 34.

Express the following statements as a linear equation in two variables. Bhargavi got 10 more marks than double the marks of Sindhu.

Express the following statements as a linear equation in two variables. The cost of a ball pen is 5 less than half the cost of a fountain pen.

Express the following statements as a linear equation in two variables. The sum of a two digit number and the number obtained by reversing the order of its digits is 121. If the digits in unit’s and ten’s place are ‘x’ and ‘y’ respectively.

Express the following statements as a linear equation in two variables. The cost of a pencil is 2 and a ball point pen is 15. Sheela pays 100 for the pencils and pens she purchased.

Yamini and Fathina, two students of class IX of a school, together contributed Rs. 100 toewards the prime minister relief fund to help the earthquake victims. Write a linear equation which satisfies this data. (You may take their contribution as Rs. x and Rs. y) Draw the graph of the same.

Rajiya and Preethi two students of Class IX together collected 1000 for the Prime Minister Relief Fund for victims of natural calamities. Write a linear equation and draw a graph to depict the statement.