suppose ocean view hotel changes their fee to 45$ and beach side hotel changes their daily rate to 115$. write the new equations for the total costs for the two resorts

The price of a coat increased from $78 to $92. what is the price increase percentage?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.