Source:New SAT Study GuideTest 1; Section 3; #11
b = 2.35 + 0.25x; c = 1.75 + 0.40x
在上面的方程中,b和c代表price per pound, in dollars, of beef and chicken, respectively, x weeks after July 1 during last summer. What was the price per pound of beef when it was equal to the price per pound of chicken?
Posted Apr 12, 2016
Jessica Ellis
Apr 12, 2016 •Comment
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