Which expression is equivalent to? mc021-2.j p g
mc021-3.j p g
mc021-4.j p g
mc021-5.j p g

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

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?