An automobile detailer can detail 20 cars in 10 hours. At this rate, how many cars can he detail in 1 hour?
1 answer:
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Answer:
concrete operational stage
Step-by-step explanation:
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The concrete operational stage is the third phase in Piaget's cognitive development theory. This period spans the period between childhood, it begins around 7 years of age and continues until about 11 years of age and is characterized by the development of logical thinking.
