Mathematics
Use method of cross-multiplication to solve :
(i) 2x + y = 8 and 3x - 2y = 5
(ii) x + 4y = 3 and 2x + 9y = 5
Related Questions
Solve :
217x + 131y = 913
131x + 217y = 827
Seven times a two digit number is equal to four times the number obtained by reversing the order of digits. Find the number, if the difference between its digits is 3.
A and B each have a certain number of mangoes. A says to B, "If you give 30 of your mangoes, I will have twice as many as left with you". B replies, "If you give me 10, I will have thrice as many as left with you". How many mangoes does each have ?