Find the unit rate for each question. 1. David drove 135 miles in 3 hours.
2. Three medium apples have about 285 calories.
3. A 13-ounce package of pistachios costs $5.99.

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers