9. The sum of two numbers is 30. If twice the bigger number is thrice the smaller, the
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Refer to the diagram shown below.
The shaded area satisfies the two inequalities
y > x - 1
and
y < 1 -x
Answer: A and D
The shaded area satisfies the two inequalities
y > x - 1
and
y < 1 -x
Answer: A and D