Vicki puts 10 books on a shelf.
the 10 books take up 28 centimeters.
what is the mean (average) thickness of her books?
= 2.8 cm
the shelf is 120 centimeters long.
vicki fills the shelf with a mixture of books like the first ten books.
estimate how many books she can get on the 120 cm shelf.
show your working out.
thanx

:i need some real : a store sells shirts to the public at one pricing scale and wholesale at another pricing scale. the tables below describe the cost, y, of x shirts. (after tables) how do the slopes of the lines created by each table compare? the slope of the public table is 3/4 of the slope of the wholesale table.the slope of the wholesale table is 3/4 of the slope of the public table.the slope of the public table is 12 times greater than the slope of the wholesale table.the slope of the wholesale table is 12 times greater than the slope of the public table.