the units digits of a number is 3 and seven times the sum of the digits is the number itself . find the number
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Answered by
0
Answer:
63
Step-by-step explanation:
let the number be 10x+y here unit digit is 3 so number become 10x+3
ATQ, 10x+3=7(x+3)
=10x+3=7x+21
=3x=18
so x=6 and the number is 63
Answered by
0
Answer:
Let tens digit = x
Units digit = 3
∴Number = 3 + 10x
According to the condition,
7 (x + 3) = 3 + 10x
7x + 21 = 3 + 10x
21 – 3 = 10x – 7x
=> 3x = 18
x = 183
∴Number = 3 + 10x
= 3 + 10 x 6 = 3 + 60 = 63
Step-by-step explanation:
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