Question

Answer this 5 questions​

Answer 1

Answer:

1. the digit is in the tens place of xy =10x+y

Step-by-step explanation:

digit on 10

s place = x

digit place in unit place = y

given that x = 4y

reserved number xy= 10x+y

yx = xy-27

10x+y =10x+y-27

9x=9y +27

x=y +3

x=4y

4y=y +3

3y= 3

y=1

x=4(1)=4

therefore, original number is 4

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