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Correct Answer: problem solving.
the question presented asks what max can buy with $1.20 when candy bars cost $0.50 each and cookies cost $0.30 each. to determine the possible combinations of candy bars and cookies max can purchase without exceeding his budget requires the application of problem-solving skills.
problem solving, in this context, involves the ability to analyze the problem, understand the constraints (in this case, the budget of $1.20 and the prices of the candy bars and cookies), and then experiment with different combinations to find all possible solutions. this process not only involves basic arithmetic but also requires logical reasoning to optimize the use of available funds while adhering to the set constraints.
for instance, max could choose to buy two candy bars at $0.50 each, which would total $1.00, leaving him $0.20, which is not enough for another candy bar or cookie. alternatively, he could buy one candy bar and two cookies. the candy bar at $0.50 plus two cookies at $0.30 each totals $1.10, which is within his budget. another combination could be four cookies at $0.30 each, totaling $1.20. each potential solution requires calculating the total cost and comparing it to the available budget.
through this exercise, max employs problem-solving skills by investigating different quantities and combinations of purchases, and experimenting with these combinations to find all that satisfy the budget constraint. this type of problem solving can be applied to many real-life situations where resources are limited and need to be allocated efficiently.
thus, the correct skill needed to solve this question is problem-solving, as it involves both the investigation of potential solutions and the experimentation with those solutions to determine which meet the problem's requirements. this methodical approach to problem-solving helps inculcate critical thinking and analytical skills, which are valuable in academic and everyday contexts.
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