The farmer

The farmer harvested 840 tons of grain in 2006, 44% less than in 2005 and one-fifth more than in 2004. How many tons of grain were harvested in the years 2005 and 2004?

Correct answer:

a =  700 t
b =  1500 t

Step-by-step explanation:

c=840 t r=44%=10044=2511=0.44  c = br b b=c/(1r)=840/(10.44)=1500 t  a+a/5=c  a=c/(1+1/5)=840/(1+1/5)=700 t



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