A number when decreased to 270 is decresed by 10% find the number
Answers
Answered by
1
Answer:
-27
Step-by-step explanation:
New value =
270 - Percentage decrease =
270 - (10% × 270) =
270 - 10% × 270 =
(1 - 10%) × 270 =
(100% - 10%) × 270 =
90% × 270 =
90 ÷ 100 × 270 =
90 × 270 ÷ 100 =
24,300 ÷ 100 = 243
270 decreased by 10% = 243
Absolute change (actual difference):
243 - 270 = - 27
Answered by
1
Answer:
296.70
Step-by-step explanation:
x-270=x-10/100*x
=x-270=(10x-x)/100
x-270=9x/100
x-9x/100=270
91x=27000
x=27000/91
=296.70
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