Seven times a two digit number is equal to four times the number obtained by reversing the number. if the difference of the digits is 3 find the number
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36 is the answer
7*(10x+y)=4*(10y+x)
70x+7y=40y+4x
66x=33y
2x=y
y-x=3
x=3
y=6
7*(10x+y)=4*(10y+x)
70x+7y=40y+4x
66x=33y
2x=y
y-x=3
x=3
y=6
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