Asked by Kiara

Linda scores 72 on her first algebra test. What must she score on the second test if her average score on both tests is to be 81
Answered by Ms. Sue
(81 * 2) - 72 = ?

Answered by John
(72 +x)/2 =81
Multiply both sides by 2 and subtract 72 to get ...

81(2)-72
Answered by Nadine
90
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