a number consists of two digits.the digit at the units place is 3 times the digit at the tens place.if 36 is added to the number,the digits are reversed find the number
Answers
Answered by
7
this is the answer of your question
Attachments:
Answered by
2
ab is the number
b=3a
ab means 10a+b
10a+b+36=10b+a (the digits interchange their places)
substitute 3a for b
10a+3a+36=10(3a)+a
10a+3a+36=30a+a
13a+36=31a
36=31a-13a
36=18a
a=36/18
a=2
b=3*2=6
the number is 26
check: 26+36=62
Similar questions