a) \(C\%=\dfrac{5}{75}.100\%=6,67\%\)
b) \(C\%=\dfrac{8}{92}.100\%=8,7\%\)
c) \(C\%=\dfrac{8}{8+92}.100\%=8\%\)
d) \(C\%=\dfrac{15}{15+45}.100\%=25\%\)
tk
a) C%=575.100%=6,67%C%=575.100%=6,67%
b) C%=892.100%=8,7%C%=892.100%=8,7%
c) C%=88+92.100%=8%C%=88+92.100%=8%
d) C%=1515+45.100%=25%