Chapter 2.2, Problem 18P

Marquez says that the shaded region in Figure 2.31 represents the fraction $\frac{9}{12}.$ Carmina says the shaded region in Figure 2.31 represents the fraction $\frac{9}{4}.$Explain why each of the two students’ answers can be considered correct. Then write an unambiguous question about the shaded region in Figure 2.31 that can be answered by naming a fraction. Explain why your question is not ambiguous.

Figure 2.31 A shaded region.