Question

in a two digit number the units digit is four times the tens digit and the sum of the digits is 10. find the number​

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:

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