the difference between a two - digit number and the number obtained by interchanging the two digits is 63 . which is the smaller of the two numbers ?
"explanation : let the ten ' s digit be x and units digit by y . then , ( 10 x + y ) - ( 10 y + x ) = 63 9 ( x - y ) = 63 x - y = 7 thus , none of the numbers can be determined . answer is d"
divide(63, subtract(const_10, const_1))