Question

4. From Delhi station, if we buy 2 tickets for
station A and 3 tickets for station B, the total
cost is 77. But if we buy 3 tickets for
station A and 5 tickets for station B, the total
cost is 124. What are the fares from Delhito station A and to station B ?
5. The sum of digits of a two digit number is
11. If the digit at ten's place is increased by
5 and the digit at unit's place is decreased by
5. the digits of the number are found to be
reversed. Find the original number.

please give the correct answer. and fast....​

Answer 1

Answer:

2x+3y=77

3x+5y=124

x=77-3y/2

231-9y+10y=248

y=17

x=26

Answer 2

Answer:

4. ticket at station A=x=13Rs

ticket at station B=y=17Rs

5. Original no.=38

( as digit at tens place=3 and digit at unit place=8)