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Solve the problem.
-A pencil box and a notebook together cost $6.28. The notebook costs $0.50 more than the pencil box. How much does the notebook cost?
Population
The sum of individuals living in a specific region or nation.
Total Fertility Rate
The typical amount of children a woman is expected to have throughout her life, based on present fertility rates.
Replacement Rate
The ratio of a retiree's pension benefit to their earning before retirement, often used to measure the adequacy of retirement income.
Present Value
The current worth of a future sum of money or stream of cash flows given a specified rate of return.
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