Bisa and Ibrahim both did their laundry today. Bisa does laundry every 5 days and Ibrahim does laundry every 10 days. How many days will it be until Bisa and Ibrahim both do laundry on the same day again? days

b) \( 1 \div \frac{2}{9} \)

Mrs. Andrew's classroom has 4 rows of desks with 3 desks in each row. She placed 2 pencils on each desk. How many pencils did Mrs. Andrew place on the desks altogether?

14. \( 1 \frac{5}{9} \cdot\left(\frac{9}{14}+\frac{3}{4}\right) \)

2. Pasar de decimal a racional (Fracción Generatriz) a) 3,235

18. Isaac bought three packages of nuts He bought one package of peanuts the weighed 3.07 pounds. He also bought two packages of pecans that weighed 1.46 pounds and 1.5 pounds. Did the peanuts or the pecans weigh more? Hours much more?