## Basic College Mathematics (10th Edition)

(a) Estimate 3 cups Exact $1 \frac{7}{8}$ cups (b) Estimate 3 tsp Exact $1 \frac{1}{4}$ tsp (c) Estimate 6 cups Exact $4 \frac{3}{8}$ cups
(a) $\frac{3}{4} \times 2 \frac{1}{2}$ cups Estimate Round fractions to the nearest whole number $1 \times 3 = 3$ cups Exact Convert mixed numbers to improper fractions and multiply $\frac{3}{4} \times \frac{5}{2}$ = $\frac{15}{8}$ Convert improper fractions to mixed numbers $\frac{15}{8}$ = $1 \frac{7}{8}$ cups (b) $\frac{1}{2} \times 2 \frac{1}{2}$ tsp Estimate Round fractions to the nearest whole number $1 \times 3 = 3$ tsp Exact Convert mixed numbers to improper fractions and multiply $\frac{1}{2} \times \frac{5}{2}$ = $\frac{5}{4}$ Convert improper fractions to mixed numbers $\frac{5}{4}$ = $1 \frac{1}{4}$ tsp (c) $1 \frac{3}{4} \times 2 \frac{1}{2}$ cups Estimate Round fractions to the nearest whole number $2 \times 3 = 6$ cups Exact Convert mixed numbers to improper fractions and multiply $\frac{7}{4} \times \frac{5}{2}$ = $\frac{35}{8}$ Convert improper fractions to mixed numbers $\frac{35}{8}$ = $4 \frac{3}{8}$ cups