Question

In a two digit number the digit in the tens place is four times the digit in the unit place if the sum of the digit is 10 find the number

Answer 1

Answer:

is 28

Step-by-step explanation:

Let n and 4n be the ten’s digit and the one’s digit, respectively. Then

Let n and 4n be the ten’s digit and the one’s digit, respectively. Thenn+4n=10

Let n and 4n be the ten’s digit and the one’s digit, respectively. Thenn+4n=105n=10

Let n and 4n be the ten’s digit and the one’s digit, respectively. Thenn+4n=105n=10n=2

Let n and 4n be the ten’s digit and the one’s digit, respectively. Thenn+4n=105n=10n=24n=8

Let n and 4n be the ten’s digit and the one’s digit, respectively. Thenn+4n=105n=10n=24n=8Then the number is 28

Answer 2

Answer:

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