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tristanf123
04.08.2019 •
Mathematics
Afraction changes from 3/4 to 4/10. the numerator changed by %; the denominator changed by %; the value of the fraction changed by approximately %.
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Ответ:
15/20 to 8/20 is a negative change, and the amount of the change was -7/20.
We compare this result to the original value, 15/20, to obtain the percentage change in the fraction:
-7/20
= -7/15 = -0.467 => -46.7%
15/20
Ответ:
3
Step-by-step explanation:
Note that adding a negative quantity is equivalent to subtracting the negative quantity, that is
7 + (- 4) = 7 - 4 = 3