Solve the problem.A person with no more than $4000 to invest plans to place the money in two investments, telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 3 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let  to be invested in telecommunications and  to be invested in pharmaceuticals.

A. x + y = 4000
x ? 3y
x ? 0
y ? 0
B. x + y = 4000
y ? 3x
x ? 0
y ? 0
C. x + y ? 4000
3x ? y
x ? 0
y ? 0
D. x + y ? 4000
x ? 3y
x ? 0
y ? 0

Answer: D

Mathematics

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