ToriChristine
ToriChristine
20.11.2019 • 
Mathematics

there are 12 books stacked on a shelf. the thickness of each
book is either 2 or 3 inches. the height of the stack of books is
35 inches. which system of equations can be used to determine
x, the number of 2 inch books and y, the number of 3 inch
books?
a) x+y=12
b) x+y=12
2x+3y=35
3x+2y=35
c) x+y=35
2x+3y=12
d)
x+y=35
3x+2y=12
© amazing mathematics

Solved
Show answers

Ask an AI advisor a question