An ice cream truck started the day with 45 ice cream sandwiches. during a stop at a busy park they sold s ice cream sandwiches. after the stop, the truck had 21 ice cream sandwiches remaining. write an equation to describe this situation. how many ice cream sandwiches did the truck sell at the park?

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?