To get a C in history, Nandan must average 74 on four tests. Scores on the first

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To get a C in history, Nandan must average 74 on four tests. Scores on the first three tests were 65, 77, and 61. What is the lowest score that Nandan can get on the last test and still receive a C?

Jun 10th, 2015

Thank you for the opportunity to help you with your question!

let the unknown subject be x then we must get average of 74 in all the four subjects so:

{65+77+61+x} /4=74

{203 + x} /4 =74

the lowest score =93

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 10th, 2015

I will ask if need be

Jun 10th, 2015

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