A print shop prints and binds presentations for a fee per page plus a flat fee for binding. The equation, C=0.5p+4.50, represents the cost C to print and bind a presentation with p pages. How many pages are in a presentation that costs $12.50 to print and bind? The number of pages to print and bind is .

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?