13) The school that Natalie goes to is selling tickets to a play. On the first day of ticket sales the school sold 13 adult tickets (x) and 11 student tickets (V) for a total of S129. The school took in
$66 on the second day by selling 13 adult tickets and 2 student tickets. What is the price each of
one adult ticket and one student ticket?

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?