Suppose each store sells 10% more in April than its own monthly average for January to March. Roughly how many phones will the four stores sell together in April?

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Accepted Answer

576. Deep Store total = 140 + 125 + 155 = 420, so grand total = 400 + 420 + 330 + 420 = 1,570. Average per month = 1,570 ÷ 3 ≈ 523.3; April ≈ 523.3 × 1.1 ≈ 576.

Suppose each store sells 10% more in April than its own monthly average for January to March. Roughly how many phones will the four stores sell together in April?

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