899.1
10% off of 999
= 10% discount applied to 999
= 999 - (10% * 999)
= 999 - (0.10 * 999)
= 999 - 99.9
= 899.1
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15 percent off 999 dollars: $999 x 0.15 = $149.85
to get 10 percent of 999 trillion you just take a 0 off the end of the number 999,000,000,000,000. so the answer is 99,900,000,000,000 or 99.9 billion (9.99 * 10^14). ______________ It would come to 99.9 trillion.
20% off leaves 80% still on.0.8 x $999 = $799.20
Interest is 99.9
If we are taking 40% off of a number the quickest way to do this is to calculate what 60% of that number is.60% of 999 = 60/100 * 999 = 599.4