Question

Intra digit number the tens digit is thrice the unit digit and the hundred digit is four times the units digit also the sum of its digit is 16 find the number

Answer 1

Answer:

Let +u+ = units digit

Let +t+ = tens digit

Let +h+ = hundreds digit

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given:

(1) +t+=+3u+

(2) +h+=+4u+

(3) +u+%2B+t+%2B+h+=+16+

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Substitute (1) and (2) into (3)

(3) +u+%2B++3u+%2B+4u+=+16+

 

(3) +8u+=+16+

(3) +u+=+2+

and

(1) +t+=+3u+

(1) +t+=+3%2A2+

(1) +t+=+6+

and

(2) +h+=+4u+

(2) +h+=+4%2A2+

(2) +h+=+8+

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The number is:

862

Step-by-step explanation:

Answer 2

Answer:

your problem's solution here.