a girl was asked to multiply a certain number by 43 . she multiplied it by 34 and got his answer less than the correct one by 1251 . find the number to be multiplied .
"let the required number be x . then , 43 x – 34 x = 1251 or 9 x = 1251 or x = 139 . required number = 139 . answer : e"
divide(1251, subtract(43, 34))