Parker makes $10 per hour mowing lawns. Hours (h)12345Dollars (d)1020304050Which equation models the situation?

Parker earns $10 for each hour worked, so the dollars earned equal 10 times the number of hours: d = 10h. For example, 3 hours gives 10 × 3 = $30, matching the table. The correct choice is B, d = 10h.

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