Question

The sum of the digits of a two - digit number is 10 . The unit's digit is four times the ten's digit. Find the numbers.​

Answer 1

Answer:

number =y×10+x

x=4(y)....(1)

y+x=10...(2)

y+4y=10

5y=4y=10⇒y=2

x=8

Number =20+8=28

Answer 2

Answer:

number =y×10+x

x=4(y)....(1)

y+x=10...(2)

y+4y=10

5y=4y=10⇒y=2

x=8

Number =20+8=28

Step-by-step explanation:

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