This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
let's solve these time problems and show how to use the number lines. a. Queenie's visit Problem: Queenie visits her father starting at 15:45 and leaves at 17:15. How long did she visit? Step 1: Calculate the duration. From 15:45 to 16:00 is 15 minutes. From 16:00 to 17:00 is 1 hour. From 17:00 to 17:15 is 15 minutes. Total duration: 15 minutes + 1 hour + 15 minutes = 1 hour 30 minutes. This can also be written as 1(1)/(2) hours. Step 2: Draw on the number line. Mark 15:45 on the left side of the number line. Draw a jump of +15 minutes from 15:45 to 16:00. Draw a jump of +1 hour from 16:00 to 17:00. Draw a jump of +15 minutes from 17:00 to 17:15. The total time elapsed is 1 hour 30 minutes. Answer: O eta lobaka lo lo kae? 1 ura 30 metsotso or 1(1)/(2) diura. b. Musa at the park Problem: Musa goes to the park at 10:45 and comes home at 12:30. How long was he away? Step 1: Calculate the duration. From 10:45 to 11:00 is 15 minutes. From 11:00 to 12:00 is 1 hour. From 12:00 to 12:30 is 30 minutes. Total duration: 15 minutes + 1 hour + 30 minutes = 1 hour 45 minutes. Step 2: Draw on the number line. Mark 10:45 on the left side of the number line. Draw a jump of +15 minutes from 10:45 to 11:00. Draw a jump of +1 hour from 11:00 to 12:00. Draw a jump of +30 minutes from 12:00 to 12:30. The total time elapsed is 1 hour 45 minutes. Answer: O tsamaile lobaka lo lo kae? 1 ura 45 metsotso. Your answer is correct. c. Tumi studying Problem: Tumi starts studying at 13:15 and finishes at 14:45. How long did Tumi study? Step 1: Calculate the duration. From 13:15 to 14:15 is 1 hour. From 14:15 to 14:45 is 30 minutes. Total duration: 1 hour + 30 minutes = 1 hour 30 minutes. This can also be written as 1(1)/(2) hours. Step 2: Draw on the number line. Mark 13:15 on the left side of the number line. Draw a jump of +1 hour from 13:15 to 14:15. Draw a jump of +30 minutes from 14:15 to 14:45. The total time elapsed is 1 hour 30 minutes. Answer: Tumi o ithuta lobaka lo lo kae? 1 ura 30 metsotso or 1(1)/(2) diura. Your answer is correct. What's next? 📸