Consider the right triangle ABC with legs AB=4, AC=3 and hypotenuse BC=5. Angle B has

and

.
Since O lies in second quadrant

and

.
Answer:
.
3/5 = 60%
20 ÷ 5 = 4
3 x 4 = 12
Answer is A) 12/20
4
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She would have $350 dollars left.