The product of a two-digit number and its tens digit is 105. Find the numbers if its ones digit is 2 more than its tens digit
please i also need a solution..
#please answer it properly i'll mark you as a brainliest
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The product of a two-digit number and its tens digit is 105. Find the numbers if its ones digit is 2 more than its tens digit
please i also need a solution..
#please answer it properly i'll mark you as a brainliest
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Problem: The product of a two-digit number and its tens digit is 105. Find the numbers if its ones digit is 2 more than its tens digit.
Solution: Represent and as the tens and ones digit respectively. Make equations on the given statements.
We can represent the two-digit number as since is a face value of tens which is multiplied to 10, then add which is the ones. This two-digit will be multiplied to to get a product of 105 as it was said to the statement.
is said to be the sum of and 2.
» Substitute from the second equation to the first equation in terms of
» Solve the quadratic equation in the first equation using the quadratic formula. Use only the positive solution.
» Therefore the tens digit of the two-digit number is 3. Substitute it to the second equation to find the ones digit.
» Thus, the ones digit of the two-digit number is 5. Now find the two-digit number.
The two-digit number and its tens digit that has a product of 105 is...
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