Related Questions
Solve using cross-multiplication :
0.4x - 1.5y = 6.5
0.3x + 0.2y = 0.9
Four times a certain two digit number is seven times the number obtained on interchanging its digits. If the difference between the digits is 4; find the number.
The sum of a two digit number and the number obtained by interchanging the digits of the number is 121. If the digits of the number differ by 3, find the number.