3. find two numbers such that 4 times the first number minus 4 times the second number equals 24 and twice the
first number plus the second number equals 30.

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)?