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10% off is the same as 100% - 10% = 90% of the original figure. 90% of $4000 = 90/100 x $4000 = $3600
90 + 9% = 90 x (1 + (9/100)) = 90 x 1.09 = 98.1
It is 4000.
90 x 1 = 90 10 x 9 = 90 45 x 2 = 90 30 x 3 = 90 18 x 5 = 90 15 x 6 = 90
27 x 90/100 = 27 x 9/10 = 27/10 x 9 = 2.7 x 9 = 24.3
4000 x 9 = 36000
10% off is the same as 100% - 10% = 90% of the original figure. 90% of $4000 = 90/100 x $4000 = $3600
It is 4000.
90 + 9% = 90 x (1 + (9/100)) = 90 x 1.09 = 98.1
9 x 10 = 90 or 15 x 6 = 90 or 30 x 3 = 90 0r 45 x 2 = 90 3 x 30 = 90
4000 - 10% = 90% of 4000 = 4000*90/100 = 3600
-10 x -9 = 90 90 - 18 = 72
3 and 9 81 = 3 x 27 = 9 x 9 90 = 3 x 30 = 9 x 10
The lowest common multiple of 9, 6 and 30 is 90. 9 x 10 = 90, 6 x 15 = 90 and 30 x 3 = 90.
10 x 9 = 90
Expanded Notation of 90 = (9 x 101) + (0 x 100)
90 x 1 = 90 10 x 9 = 90 45 x 2 = 90 30 x 3 = 90 18 x 5 = 90 15 x 6 = 90