separate answer sheet. 3.8 Gabo. Janelle, and Harris went swimming at the beach. After swimming, they collected shells. They collected 48 white shells and 60 gray shells. What was the greatest number of shells they collected per hour if they collected the same number of shells pairs of per hour? D270 Understand Know what the problem asked: . 15 Know the given facts: - 5 Plan Determine the operation to use: 9 Write the number sentence: 3 Solve Show the solution to the problem One