Aasha, Biren and Cemal share $640 in the ratio 8:15:9 a) Show that Aasha receives $160/ Show your process

b) Calculate the amount that Biren and Cemal receive

c) Aasha uses her $160 to buy some books. Each book costs $15.25 Find the greatest number of books that she can buy.

d) Biren spends 3/8 of his share on clothes and 1/3 of his share on a computer. Find the fraction of his share that he has left. Write your fraction in its lowets terms.
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(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.