A dealer at a local rock and fossil show is selling polished…
A dealer at a local rock and fossil show is selling polished red rocks for $2.75 each and blue rocks for $2.25 each. A customer decides to buy R rocks and B rocks, and has $90.00 to spend. Let M represent the amount of money the customer has available to spend. Explain what the following expressions represent in this context using appropriate units of measure. What does the expression 90.00 – (2.75R + 2.25B) represent? .