In a two-digit number, the units digit is three times the tens digit and the
sum of the digits is 10. Find the number.
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Step-by-step explanation:
let the tens digit be x
ones digit : 3x
3x+x =10
4x=10
x=10/4
x=2.5
tens digit =2.5
ones digit =7.5
no. = 10 ×tens digit + ones digit =25+7.5=32.5
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