John went to the bakery and bought
several dozen donuts and several
dozen bagels. The donuts cost $9
per dozen and the bagels were $8
per dozen. If he spent a total of
$101 for 12 dozen items, how many
donuts did he buy?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

Anyone know these questions? i need ,.

(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.