-6 from the 400 so it makes it a whole number
+1 to the 399 to make it a whole number
and then leave 390 because its a whole number then add it all up it =1190
then you + the 6 you subtracted
then - the 1 you added
then it all = 1195
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399 rounded to the nearest hundred is 400. 399 rounded to the nearest tens is also 400.
Alice found 812-413=399 she added 812+399 to check her work. What did she do wrong?
399*1 = 399. So 399 is divisible by 399. 399*2 = 798. So 798 is divisible by 399. 399*3 =1197. So 1197 is divisible by 399. 399*4 = 1596. So 1596 is divisible by 399.
10.25% of 399= 10.25% * 399= 0.1025 * 399= 40.8975 (40.90)
75% off of 399 is 25% [left] of 399 = 399*25/100 = 99.75