The sum of the digits of a three-digit number is 15.The units digit is 1/4 of the hundreds digit.The number is 148 less than 500 times the units digit.What is the tens digit?
Answers
Answered by
0
Answer:
The units digit is 1/4 of the hundreds digit.
This takes straight to two possibilities which are:
4_1
8_2
In order to add to 15 it must be 852
500(2) - 148 = 1000 - 148 = 852.
Answer is correct.
Tens digit is 5.
Step-by-step explanation:
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Answered by
0
Answer:
Let the hundreth's digit be x
Then unit's digit =
4
x
and ten's digit =
4
3x
Given x+
4
x
+
4
3x
=16⇒
4
4x+x+3x
=16
⇒2x=16⇒x=8
∴ Ten's digit =3×
4
8
=6, unit's digit =
4
8
=2
∴ Required number =100×8+10×6+2
=800+60+2=862
Step-by-step explanation:
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