the tens digit of a two digit no. is 3 times the unit digit . the sum of no. and the unit digit is 32 . find other no.
Answers
Answered by
0
Answer:
number is 31
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Answered by
1
Answer:
The no is 31.
Step-by-step explanation:
let the no be 10x + y.
x=3y
x-3y=0
10x-30y=0......1
10x+y+y=32
10x+2y=32......2
subtract 1 from 2,
10x+2y-(10x-30y) =32-0
10x + 2y -10x + 30y =32
32y=32
y=1
x=3
the no = 10x + y
= 30 + 1
= 31
therefore the no is 31.
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