1.Jon travels 1/2 mile in 1/4 hour. Find the unit rate in miles per hour.

2. The letters in the word "ridiculous" are placed in a bag. If a letter is picked at random, what is the probability that a vowel will be selected? Give the answer as a fraction in simplest form.

3. Manny has $12000 and is saving for a used car that costs 15000. He is able to save $300.00 per month toward his car. Write and solve an inequality for this situation if M represents the number of months that Manny must save to buy the car.