The senior class took an end of the year trip. there were 290 total students in buses and cars. if each bus holds 45 students and each car holds 5 students, how many of each vehicle type were taken?

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?