Question

A box of shapes contains 3 rectangles, 5 triangles, and 7 hexagons. What is the probability of drawing a triangle or a hexagon? (Note: Percentages are rounded to the nearest tenth of a percent.)

Answer 1

There are 5 + 7 = 12 triangles or hexagons. So the probability is 12/15 = 4/5. As a percent, it would be 80%.
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==jding713==