A man buys 3 type-I cakes and 6 type-II cakes for Rs. 900. He sells type-I cakes at a profit of 15% and type-II cakes at a loss of 10%. If his overall profit is
Answers
Answered by
1
3a + 6b = 900 i.e. a + 2b = 300 ;
3a x 15/100 (profit by cake of type 1) - 6b x 10/100(loss by cake of type 2) = 30 ;
two equation and two variable
a = 160 and b = 70
a is cake of type 1 and b is cake of type 2
3a x 15/100 (profit by cake of type 1) - 6b x 10/100(loss by cake of type 2) = 30 ;
two equation and two variable
a = 160 and b = 70
a is cake of type 1 and b is cake of type 2
Similar questions