document.write( "Question 943554: Kyle made scores of 85, 56, 91 on his first three test. What does he have to make in his next test to have an 80 test average? \n" ); document.write( "

Algebra.Com's Answer #575235 by macston(5194) $\"\"$ $\"About$

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To average 80 points over 4 tests, the sum of the scores must be 4(80)=320 Sum for 80 average.
\n" ); document.write( "Kyle's first three scores total 85+56+91=232 Current sum
\n" ); document.write( "Sum for AVG 80- Current sum = Required score for next test
\n" ); document.write( "320-232=88
\n" ); document.write( "ANSWER Kyle must score 88 on his next test to average 80 \n" ); document.write( "

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