I am a 3-digit number. The sum of my digits is 11. The product of my digits is 16 . My digits are in decreasing order from the hundreds digit to the ones digit. I have no repeated digits. What number am I?

e) \( 1 \frac{1}{3}+2 \frac{1}{4}-3 \frac{5}{12} \)

A ladder has 50 rungs. The bottom rung is 1 m long. Each rung is \( 12,5 \mathrm{~mm} \) shorter than the rung beneath it. Determine the total length of wood required to make 50 rungs.

83 Найдите произведение: \( \begin{array}{l}\text { а) } \frac{4}{9} \cdot \frac{9}{7} \cdot \frac{7}{17} \cdot \frac{17}{28} ;\end{array} \)

4. Malt and Lionel left their houses at the same time and drove in they respective cars to the city which was 200 km away. When Matt reached the city. Lionel still had 50 km more to travel. Lionel finally completed the journey 36 minutes later. How long did Lionel take to drive to the city?

RESOLVER 4) \( \frac{20}{8} \cdot \frac{4}{3}:\left(-\frac{5}{6}\right)= \)