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if 20 is added to one third of a number the result is double the number.what is the number?
Question
if 20 is added to one third of a number the result is double the number.what is the number?
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Mathematics
4 years
2021-08-17T08:10:20+00:00
2021-08-17T08:10:20+00:00 1 Answers
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Answer:
Step-by-step explanation:
Let’s say the number is called x.
So 1/3 x + 20 = 2x because 2x is the double of x.
Subtract 1/3 x from both sides: 20 = 2x – 1/3 x = 5/3 x
Multiply both sides 3, so we get 3*20 = 5x = 60,
so,
x = 12
The number is 12.
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