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so we need to find three equations

yes, i said x , y, and z

x=chem A
y=chem B
z=chem C

dx/dt=??
dy/dt=???
dz/dt=??

and i believe i know the interval [0,10]

since we are intrested in the first 10 min

so
\[\frac{\text dA}{\text dt}=80\%A\]

why?

okay, that makes sense, how about for dB/dt?

every minute 20% of chemical A becomes chemical B, and 25% of chemical B become chemical C

20%A-25%B

and the last one/

i am not sure , maybe just 25%B??

i think thats right

okay thanks