For 4 weeks Paula and her sister looked for seashells on the beach. In the first week Paula collected 50 seashells and her sister found 60. After that, they each found 10 more than the previous week. How many seashells they found altogether?

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Answer:

560

Step-by-step explanation:

Answer: All together with the previous weeks they both got 560

Step-by-step explanation:

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