Well, 1/4 of 36 is 9, so 15000*9= 13500 cartridges in all
Please continue so I can answer
In order to solve the equation solve for the area of the square and then the area of each of the triangles. For the first one the squares area is 256 while the triangles area is 136. Because there is four triangles multiply 136 by four which is 544. Add 256 and 544 to get the final answer of 800
12.) she gets 70 because she sells 60 fiction and 20 non fiction and you add 60 to 10 because the things are half off
