Ask Question
9 March, 02:52

A two digit number is such that the product of its digits is 35. when 18 is added to the number the digits interchange their places. find the number

+3
Answers (1)
  1. 9 March, 02:58
    0
    X * y = 35

    y * 10 + x + 18 = x * 10 + y

    9 * y - 9 * x + 18 = 0

    y = 35 / x

    9 * 35 / x - 9 * x + 18 = 0

    -9x² + 18x + 315 = 0

    x = 7

    y = 5
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “A two digit number is such that the product of its digits is 35. when 18 is added to the number the digits interchange their places. find ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers