Lydia tosses two six-sided number cubes. List the sample space. What is the probability of Lydia rolling pairs of the same number? What is the probability that at least one number will be a 3?

Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?