Posted by monica on Sunday, August 21, 2011 at 1:07am.
a person has 1&2 rupee coins with him
total amount with him is 75.total number of coins with him is 50.find how many 1&2 rupee coinsare there with him.

mathematics  drwls, Sunday, August 21, 2011 at 1:10am
Solve these two equations for x and y:
x + y = 50
x + 2y = 75
(y is the number of 2 rupee coins; x is the number of 1 rupee coins)
Clearly y = 25, and x is also 25.

mathematics  santosh, Sunday, August 21, 2011 at 1:12am
he has 25 one rupee coins and 25 two rupee coins together he has 50 coins with total amount of 75 rupees
1*25+2*25=25+50=75 rupees
Answer This Question
Related Questions
 mathematics  a person has 1&2 rupee coins with him total amount with him is 75....
 MATHS  A PERSON HAS 1&2 RUPEE COINS WITH HIM.TOTAL NUMBER OF COINS WITH HIM IS ...
 MATHS  A PERSON HAS 1&2 RUPEE COINS WITH HIM.TOTAL NUMBER OF COINS WITH HIM IS ...
 Linear equations in 1 variable  There are x no of 5 rupee coins and the no. of ...
 maths plse help me..  In a purse there are 20rupee notes 10rupee notes and ...
 maths plse help me..  In a purse there are 20rupee notes 10rupee notes and ...
 math  A man buys 120 oranges at 6 a rupee and 12atmore at 5 a rupee and he sold...
 Math  Susan has some $2coins and $5coins. If there are 18 coins and the total...
 Maths  how many ways can 6 coins be chosen from 20, one rupee coins, 10 fifty ...
 math  Toffees are bought at 4 for a rupee and the same number at 6 for a rupee...
More Related Questions