document.write( "Question 583088: Thanh has scores of 57, 85, 67, and 75 on his first four math exams. What score must he make on the fifth exam to have an average of 70 or better for the five exams? \n" ); document.write( "
Algebra.Com's Answer #372319 by JBarnum(2146)\"\" \"About 
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\"%2857%2B85%2B67%2B75%2Bx%29%2F5=70\" add like terms and multiply by 5
\n" ); document.write( "\"284%2Bx=350\" subtract 284
\n" ); document.write( "\"x=66\"
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