Question 10 • Mathematics 8
The column totals include both grades. The 8th-grade counts are 26 students with cats and 35 with dogs, so subtract these from the totals: 54 − 26 = 28 cats and 48 − 35 = 13 dogs. Esther’s seventh-grade classmates therefore include 28 students with cats and 13 with dogs, which is choice C.
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