In a two digit number,the unit place is double the digit in the ten place .The number exceeds the sum of it digit by 18 . find the number
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10y+x ----------1
from question
10y+2y
12y = 18
y = 18/12
y = 3/2
substitute in equation 1
we get
15+x=18<digits
x=3
so the digit is more than 18
from question
10y+2y
12y = 18
y = 18/12
y = 3/2
substitute in equation 1
we get
15+x=18<digits
x=3
so the digit is more than 18
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