A number between 10 and 100 is four times the sum of its digits. If the product of two digits is 8, find the sum of digits of the number.

Question

asked Oct 16, 2024 222k views

1 Answer

Cezar Augusto · Answer 1 · 2024-10-21T08:59:30+0000

Answer:

24 is the number. The sum of its digits is 6.

Explanation:

There are four two-digit numbers the product of whose digits is 8: 18, 24, 42, and 81. Of these numbers, 24 is four times the sum of its digits:

24 = 4 × 6 = 4 × (2 + 4)