Find three consecutive even integers such that the sum of the smallest number and twice the middle number is 20 more than the largest number

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.