At 7:00am Two groups for hikers begin 21 miles apart and head toward each other the first group hiking at an average rate of 1.5 miles per hour carries tent sleeping bags and cooking equipment the second group hiking at an average rate of 2 miles per hours carries food and water let T represent hiking time use D=RT formula
At what time will both groups meet?
helppp pleaee

(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.