What is 45% of 1(2)/(3) 7 A (3)/(10) B (3)/(4) C 1(1)/(27) D 1(3)/(10)

To find 45% of $1\frac{2}{3}$, we first need to convert the mixed number to an improper fraction.<br /><br />$1\frac{2}{3} = \frac{5}{3}$<br /><br />Now, we can calculate 45% of $\frac{5}{3}$.<br /><br />$45\% = \frac{45}{100} = \frac{9}{20}$<br /><br />To find 45% of $\frac{5}{3}$, we multiply $\frac{5}{3}$ by $\frac{9}{20}$.<br /><br />$\frac{5}{3} \times \frac{9}{20} = \frac{45}{60} = \frac{3}{4}$<br /><br />Therefore, the correct answer is B) $\frac{3}{4}$.