Joe and sara recorded the number of birds they saw in the park over two summers.
last 1219 finches and 4620 pigeons
this year 1906 finches and 4287 pigeons
a. write and solve equations to find how many more total birds joe and sara saw this year than last year?
b. estimate how many more birds were seen in the park this year than the last year by rounding each number in the table and solving the problem. use the estimate to check if your answer to part a is reasonable.

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