A. A school has 700 students. If 2 out of every 5 students are high school students, how many high school students are there at the school?B. If each highschool student spends 279.50 minutes in a school a day, how many total minutes do the high school students spend in class each day?Extension: If the average middle schooler spends 10 percent more time in class than the average highschooler, how much time do the middle schoolers spend in class a day?
Accepted Solution
A:
Answer:280 students78260 minutes307.45 minutes per dayStep-by-step explanation:A We multiply the total number of students by the fraction that are high schoolers to determine the total number of high schoolers700 * 2/5 = 280There are 280 high schoolersB The total time high schoolers spend in school is the time 1 student spends in school times the number of students279.5 * 280 =78260 minutesC The high schoolers spends 279.5 minutes in class10% = .1We need to add 10% to this time279.5 * 10%279.5 * .1 = 27.95Add this because they spend 10% more time279.5 + 27.95 =307.45 minutes