Question

3. For the pair of linear equations for the following problems and find their solution by
substitution method.
© The difference between two numbers is 26 and one number is three times the other.
Find them.
(ii) The larger of two supplementary angles exceeds the smaller by 18 degrees. Find
them.
(in The coach of a cricket team buys 7 bats and 6 balls for 3800. Later, she buys 3
bats and 5 balls for 1750. Find the cost of each bat and each ball.​

Answer 1

Answer:

1. 1st Number=39

2nd Number= 13

Explanation:

difference = 26

let 1st Number be x

let 2nd Number be 3x

3x-x=26

2x=26

x=26/2

x=13

Thus 1st Number = x = 13

2nd Number= 3x = 3(13) = 39