Question

(2) There is a two digit number, consider the digit in unit's place as x and digit in ten's place
as y.
(i) Write the two digit number and the number obtained by interchanging the digits.
(3)
(ii) This two digit number is seven times the sum of its digits. Write the first equation. The number obtained by interchanging the digits is 18 less than the original number.
Write the second equation.
(iii) Using equations (i) and (ii), find the original number.

Answer 1

Step-by-step explanation:

divisible by 3 still a big number