winnie45
24.02.2021 •
Mathematics
What value of n will make this equation correct. 3/10 n = 4/5
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Ответ:
n =
Step-by-step explanation:
Ответ:
2568.75 - 2500 = 68.75;
( ? / 100 ) * 2500 = 68.75 ;
? * 25 = 68.75;
? = 68.75 ÷ 25
? = 2.75;
r = 2.75 %