elianas first three test scores in alegbra were 21, 78, and 36. What does she need to make on the fourth test to maintain an average of at least 50?

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elianas first three test scores in alegbra were 21, 78, and 36. What does she need to make on the fourth test to maintain an average of at least 50?

can anyone help me solve the problem above, thanks ( below is the second part of the question) -and solve to find the week that your business breaks even.

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I need to solve the following question please answer it for my math packet for school I go Clark school please answer it.

can you tell me how to solve this problem?

I asked this question before starting my classes to get some knowledge. please help me knowledge about this question . thanks in advance for help

i need help