four-fifths of a number is 20 less than the original number. find the original number
Answers
Answered by
25
Answer:
100
Step-by-step explanation:
Let the number be x
By the problem
x - 20=4/5x
or, 5x - 100 = 4x
or, 5x - 4x = 100
or, x = 100
Answered by
21
Answer:
So, the original number is 100.
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