Brad Walked to the shore. There he saw 4 rocks lying side to side. Resting on the rocks were crabs. each rock had 2 more crabs than the rock to its left. There were 56 crabs in all. From left to right, how many crabs were on each rock

Thank you for the opportunity to help you with your question!

Let x = the number of crabs on the left most rock

Then,

x + x+2 + x + 4 + x + 6 = 56

4x + 12 = 56

4x = 44

x = 11

therefore there are

11 crabs on the 1st rock

13 crabs on the 2nd rock

15 crabs on the 3rd rock

17 crabs on the 4th rock

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