The amount ben earns y varies directly with the number of hours he works x as shown in the graph. write a direct variation equation. identify the constant of variation and interpret it's meaning

Not as complicated if you understand direct variation.
The standard set up for direct variation is y=kx, which happens to be the case here. K stands for constant, which is what it is asking for. The constant is the ratio of y/x in direct variation and I can not solve that without seeing the graph, but the meaning of the constant of variation in this situation is The amount Ben earns per hour. Or in general The constant number multiplied by x to get y in the ratio between x and y in a direct variation situation.

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