Find the percent of the number. explain your method. 30% of 50

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Which representation has a constant of variation of -2.5

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?