the sum of the one eighth,one twelfth and one twentieth parts is 31 ,find the number.
Answers
Answered by
2
Answer:
120
Step-by-step explanation:
Let the number be x
One-eight of a number = \frac{x}{8}
8
x
One-twelfth of a number = \frac{x}{12}
12
x
One-twentieth of a number = \frac{x}{20}
20
x
Now we are given that the sum is 31
So, \frac{x}{8}+\frac{x}{12}+\frac{x}{20}=31
8
x
+
12
x
+
20
x
=31
\frac{x}{8}+\frac{x}{12}+\frac{x}{20}=31
8
x
+
12
x
+
20
x
=31
x=120x=120
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