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To get a c in history, Nandan must average 72 on four tests. Scores on the first three tests were 65, 77, and 60. What is the lowest score Nandan can get on the last test and still receive a c?

Sagot :

Reinhard10158idn

Step-by-step explanation:

average means the sum of all events divided by the number of events.

so, (65 + 77 + 60 + x)/4 >= 72

we solve for x and = 72.

65+77+60+x = 288

x = 86

so, he must score at least a 86.

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