## Basic College Mathematics (10th Edition)

Estimate 19 pounds Exact $18 \frac{1}{2}$ pounds
Estimate 8+ 3 + 5 + 3 = 19 Exact $7 \frac{1}{2} + 2 \frac{3}{4} + 4 \frac{7}{8} + 3 \frac{3}{8}$ = $7 \frac{4}{8} + 2 \frac{6}{8} + 4 \frac{7}{8} + 3 \frac{3}{8}$ = $16 \frac{20}{8}$ = $18 \frac{4}{8}$ = $18 \frac{1}{2}$ =