A number when increased by 20% becomes 72. What will it become if it is decreased by 10% .
Answers
Answered by
20
Step-by-step explanation:
Let the Number Be X
so, X + 20%× X = 72
= X + 1/5X = 72
6X /5 = 72
6X = 72 × 5
X = 72 × 5 /6
X = 60...
so,
60 - 10% × 60 = 60 - 6
= 54 is Your Answer....
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Answered by
2
EXPLANATION:
Let the number be X. X+20%×X=72
X+20/100×X=72
X+1/5×X=72
6X/5=72
6X=72×5
X=72×5/6
X=12×5
=60
60-10%×60
=60-10/100×60
=60-6
Answer is _ 54 ..
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