Learning Task 2: Solve the following problems using the 4-step plan. Use the concept of LCM in each problem. Write your answer in your answer sheet. 1. A lighthouse 1 flashes its light every 15 minutes. A lighthouse 2 flashes every 18 minutes. If the two lighthouses flash together at 1:00 A.M. what time they will next flash together? 2. The length and width of rectangular lot are 108 m and 144 m. Trees are planted at equal distance along the sides of the lot. What is the total number of trees planted? 3. Leo visits the regional office once every 2 days. Ethan visits once every 4 days while Jaypee visits once every 6 days. They all meet one day in the office. After how many days will they meet together again at the Regional Office? 4. The box of candies is shared equally among 9,12, or 18 children, there are always 6 candies left. Find the smallest number of candies in the box? 5. Three bells toll at intervals of 12 min, 20 min, and 24 min, respectively. If they start by ringing together, after how long will they all ring again?
