A dealer wishes to produce 300 gallons of oil worth 40¢ a quart. He will mix oil that is worth 36¢ a quart with oil that is worth 52¢ a quart, and needs to figure out how many quarts of each he needs.

If x represents the number of quarts of 36 cent oil, which of the following equations could be used to solve this problem?

0.36x + 0.52x = 0.40(1200)
0.36x + 0.52(1200 - x) = 0.40(1200)
0.36x + 0.52(300 - x) = 0.40(300)

answer:   14

step-by-step explanation:          

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i think is g(1)=-1.

hope that i can

in mathematics, a constraint is a condition of an optimization problem that the solution must satisfy. there are several types of constraints—primarily equality constraints, inequality constraints, and integer constraints. the set of candidate solutions that satisfy all constraints is called the feasible set.

hoped i'm right lol