Tyler used 27.05 gallons of gas Marie used 6.2 times as many gallons of gas as Taylor how many gallons of gas did Marie use ?

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)?