#1
(x/80)*100%=7.4%
x=5.92 г
#2
(5.92/90)*100%=6.57%
если просят в долях, то
0.00657
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Answers & Comments
#1
(x/80)*100%=7.4%
x=5.92 г
#2
(5.92/90)*100%=6.57%
если просят в долях, то
0.00657