Jill is taking an exam to become a firefighter. The exam is a mix of long and short questions. Jill has 90 minutes to take the exam and knows she is not expected to answer every question. A long question takes 10 minutes to answer and a short
question takes 2 minutes. If x denotes the number of short questions and y denotes
the number of long questions that Jill will attempt, what linear inequality describes
the constraint on Jill's time given above?