54 days!!!!!!!!!!!!!!!!!!!!!!!!!!!1
X and y are books
x is fiction
y=nonifiction
x+y=36
x=12+y
12+y+y=26
2y+12=26
minus 12
2y=14
divide 2
y=7
sub
x=12+y
x=12+7
x=19
nonfiction=7
Answer: Isosceles Trapezoid area: 156 +13 +13= 182 inches
Square area: 12 x 13 = 156
Triangle Side x2: 13 x 2 = 26/2 = 13
Step-by-step explanation:
1 and 2 are composite, hopes this helps :)