You can buy a box of 500 trays for about US$25, meaning they cost around 5 cents each. (The cost to the environment, of course, is much higher, as they lie in landfill for hundreds of years.)
Purchased in bulk, plastic lunch trays such as the ones used in schools cost about $4.25 each. Purchased individually, they can run from $8.00 to $16.00.
$5,000
It depends on where you live, and how much food your lunch has in it.
How much does the cheapest cardboard lunch tray cost?
If something is saving cost it means that you are not spending as much money. Packing a lunch is cost saving because you are not spending as much money to eat lunch out.
The cost is between 6to10dollars for the average litter box.
Most likely a couple of dollars for a bag.
approx $250-500
they cost 100 pound
200,000 joules of heat are needed to produce a single styrofoam cup. In order to simulate the waste of a styrofoam cup, its ceramic counterpart would have to be used 70 times or washed over a thousand times to offset the loss of heat in one styrofoam cup.
how much is styrofoam unit weight?