Question

1. Three chairs and two tables cost 1850. Write a linear equation in two
variables to represent this statement.
2.The age of a father is 3 years more than three times the age of the son
write a linear equation in two variables to represent this statement
3.Ten years ago a father was twelve times as old as his son. Write a linear
equation in two variables to represent this statement.
ques 4)60 copies of Mathematics book and 40 copies of English book cost 2220
Write a linear equation in two variables to represent this statement.
5.Out of two numbers, one number is greater than thrice the other number
by 2. Write a linear equation in two variables to represent this statement,

6.A two digit number is 4 more than 6 times the sum of its digits. Write a
linear equation in two variables to represent this statement.
7.Express the following linear equations in the form ax + by + c = 0 and
indicate the values of a, b and c in each case.

​

Answer 1

Answer:

1.) 3a+2b=1850

Step-by-step explanation:

let cost of one chair be a and cost of one table be b so

3a will be the cost of 3 chairs and 2b will be the cost of 2 tables

the cost of 3chairs and 2tables is equal to 1850 ( as given in question)

so 3a +2b =1850