At 1:00 p. m ted will meet a friend in the park. ted need 30minutes to walk to the park. ted need 15 minutes to eat lunch and 10 minutes to prepare lunch. when must ted start to prepare lunch? and how can you show the relationship in the problem

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?