So the number of hours is t, so you can literally just write that as five t. In a given amount of time, Jamie drove twice as far as Rhonda. We're getting how much he got, but we're subtracting how much he actually had to spend. The lowest grade on an algebra test.
That means we need to add 42 to the lowest grade. This article explains some of those relationships.
Step 6: Answer the question in the problem The problem asks us to find how many hours Karen needs to work. He gets x dollars, but it's not like he just walks away with x, I means, he does get the x dollars, but he had to pay something to enter the tournament.
Step 1: What are we trying to find? Perimeter is the distance all the way around a figure. Step 2: Assign a variable for the number. Together they drove a total of 90 miles.
Step 6: Answer the question in the problem The problem asks us to find the number of prescriptions for tranquilizers.