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lalimares1038
06.10.2019 •
Mathematics
Explain #2 for me !
the question deals with proportions.
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Ответ:
To find the volume of the area of the original suitcase, multiply together x, y, and z to get xyz. The modified suitcase will have all these dimensions multiplied by 1 1/2, or 3/2, for a result of 3x/2*3y/x*3z/2=27xyz/8. The ratio is (27xyz/8)/(xyz)=27/8, as desired.
Note that we made no assumptions about the value of x, y, and z throughout the whole solution! Therefore, we can plug ANY side-lengths, including the problem's set (28, 16, 8) into this problem to achieve the same ratio.
Ответ:
x>3
Step-by-step explanation:
let me know if you need explanation !