Homework Help: 9gr

Posted by david on Monday, July 19, 2010 at 11:16pm.

Caleb scored the following on his first four tests: 78, 84, 88, and 82. What is the least grade he can receive on his next test to have an average of 85 for the five tests?

a.66
b.83

c.93

d.100

9gr - bobpursley, Monday, July 19, 2010 at 11:17pm
5*85=78+84+88+82+N
solve for N
9gr - ruslan, Tuesday, July 20, 2010 at 12:30pm
83
9gr - ruslan, Tuesday, July 20, 2010 at 12:32pm
93

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