Question

2. Form the pair of linear equations in the following problems, and find their solutions
(if they exist) by the elimination method:
(i) If we add 1 to the numerator and subtract 1 from the denominator, a fraction reduces
to l. It becomes
if we only add 1 to the denominator. What is the fraction?
(i) Five years ago, Nuri was thrice as old as Sonu. Ten years later, Nuri will be twice as
old as Sonu. How old are Nuri and Sonu?
(iii) The sum of the digits of a two-digit number is 9. Also, pine times this number is
twice the number obtained by reversing the order of the digits. Find the number.
(iv) Meena went to a bank to withdraw 2000. She asked the cashier to give her
50 and 100 notes only. Meena got 25 notes in all. Find how many notes of
50 and 100 she received.
(v) A lending library has a fixed charge for the first three days and an additional charge
for each day thereafter. Saritha paid 27 for a book kept for seven days, while Sus
paid 21 for the book she kept for five days. Find the fixed charge and the charge
for each extra day.
ross - Multiplication Method​

Answer 1

just a minute...i'll edit and snd