Answer:
1,414
Step-by-step explanation:
2,525 * ( 1 - 30% ) * ( 1 - 20%) = 2,525 *0.7*0.8 = 1,767.5 * 0.8 = 1,414
C because u have to add all the sides
By the number amount of the books like 1 biology and 2 mathematic book and 3 different novels or my grade
Line above the repeating number