There are X story books, Y comic books and Z science books in the library.
According to the meaning of the question: X=3Y/2
X/3=Z/5
Z/2= 180
To solve this system of equations, X=2 16.
Y=324
Z=360 .
A: Storybook 265,438+06, Comic Book 324, Science Book 360.
(calculation method)
Science and technology books: 180X2=360.
There are 360X( 1/5) books X3=2 16.
There are 216x (1+1/2) = 324 cartoons.
A: Storybook 265,438+06, Comic Book 324, Science Book 360.