
Joshua W. answered 01/06/15
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High school math teacher for math, English, and test prep tutoring
ANSWER: There are an infinite number of answers. One possible answer is 3.5+1.2+2.4+3.9=11. The explanation of how I arrived at this follows:
A mixed decimal is a whole number followed by a fractional part so an example would be 3.4 or 2.5. To get 4 different mixed decimals that sum to 11 follow these steps:
1. Start with 11 and subtract any mixed decimal from 11 that is smaller than 11. So I will subtract 3.5
11-3.5=7.5
2. Take the 7.5 from the last step and subtract another mixed decimal from 7.5 that is smaller than 7.5. I will subtract 1.2
7.5-1.2=6.3
3. Take the 6.3 and subtract another mixed decimal from 6.3 that is smaller than 6.3. I will subtract 2.4
6.3-2.4=3.9
4. Now I take all of the numbers that I subtracted and add them together along with the 3.9 that was left over and I get 3.5+1.2+2.4+3.9=11
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Anonymous A.
This was one of my problems in 5th grade and you explained it amazingly. Tip: maybe put more than one solution.
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