3) i) ta operacion \( \frac{42}{81} \cdot\left(-\frac{27}{24}\right): \frac{21}{36} \) resulta: \( \square \)

3. Which lists these fractions in Rder from greatest to least? \[ \frac{5}{12}, \frac{4}{5}, \frac{1}{8} \]

2rrange the three numbers hown from least to greatest. \[ \frac{2}{5}, \frac{6}{10}, \frac{2}{9} \]

2. Invéntate dos situaciones diferentes que se resuelvan con la resta 51 - 24 . Resuelve una por descomposición y otra mediante saltos en la línea numérica.

Marie has 231 toothpicks in one box and 175 toothpicks in another box. She uses 319 toothpicks to make a bridge. How many toothpicks does she have left?

Eric walks 2.75 miles to and from work everyday for an entire year. How many miles did he walk?