A two-digit number has its tens digit equal to 3 and its units digit unknown. When the digits are reversed, the new number is 18 more than the original. Find the original two-digit number.

Question

Accepted Answer

35. Original = 30 + u. Reversed = 10u + 3. (10u + 3) - (30 + u) = 18, 9u - 27 = 18, 9u = 45, u = 5. Original = 35.

A two-digit number has its tens digit equal to 3 and its units digit unknown.
When the digits are reversed, the new number is 18 more than the original.
Find the original two-digit number.

Step-by-Step Solution

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More Class 8 Word Problems practice

A two-digit number has its tens digit equal to 3 and its units digit unknown.When the digits are reversed, the new number is 18 more than the original.Find the original two-digit number.

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 8 Word Problems practice

A two-digit number has its tens digit equal to 3 and its units digit unknown.
When the digits are reversed, the new number is 18 more than the original.
Find the original two-digit number.