Suppose an area of land is to be sprayed with two brands of pesticide: x liters of brand 1 and y liters of brand 2. If the number of thousands of insects killed is given by . How many insects would be killed if 60 liters of brand 1 and 130 liters of brand 2 were used? Round your answer to the nearest integer.
?

A. ? insects
B. ? insects
C. ? insects
D.  insects
E. ? insects

Answer: D

Mathematics

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