Jared bought 7 cans of paint. A can of
red paint costs $3.75. A can of black
paint costs $2.75. Jared spent $22.25 in
all. How many cans of black (b) and how
many cans of red (r) did hé buy?
r+b=7
3.75r+2.75b=22.25

How do you find p(a and b) if a and b are independent events for two or more actions, such as tossing a coin twice and finding p(heads and heads)? 2. how do you find p(a or b) if a and b are independent events for one action, such as spinning a four-color spinner once and finding p(red or blue)?