Julia's average oh her first 3 math test was 80. Her average on her next 2 math tests was 95. What is Julia's average on all 5 math tests? Solve this problem in two different ways, and explain your solutions.

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A: Solution

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A: Given, Robert has 3 cupcakes. And frank has 1 more than 3 times the number of cupcakes Robert had.

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A: According to given question ,         Bob used 420 cups of water to make tea during first week and…

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A: See the attachment

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A: Find the mathematical equation according to statement then solve the requirement as in next step.