Harvested 82570

Farmers on Mr. Dvořák's farm sowed 3.5 tons of feed mixture seeds after the harvested wheat. This seed was blended from oats and vetiver. We know that 1t of this seed was worth 2840 CZK, 1t of oats 3000 CZK, and 1t of vetiver 2800 CZK. From how many tons of oats and from how many tons of vetch was the seed mixed?

Correct answer:

a =  0.7 t
b =  2.8 t

Step-by-step explanation:

a+b=3.5 3000 a+2800 b=2840 3.5  a+b=3.5 3000a+2800b=9940  Pivot:Row1Row2 3000a+2800b=9940 a+b=3.5  Row230001 Row1Row2 3000a+2800b=9940 0.07b=0.19  b=0.066666670.18666667=2.8 a=300099402800b=300099402800 2.8=0.7=0.7 t  a=107=0.7 b=514=2.8



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