Give the step-by-step reasoning process and then the final answer. Miss Darlington has a basket of 20 blueberries. She picked 9 more baskets with the same amount of berries. How many blueberries did Miss Darlington have in all?
Miss Darlington picked 9 x 20 = 180 blueberries more. So she had a total of 180 + 20 = 200 blueberries.
The final answer: 200.