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Teresa's sc0res on three quīzzes were 78, 82, and 93. What must be her l0west sc0re on the next quíz in order to have an av3rage of at least 85?
Teresa's sc0res on three quīzzes were 78, 82, and 93. What must be her l0west sc0re on the next quíz in order to have an av3rage of at least 85?
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Answer:
87
Step-by-step explanation:
try to add them now, 87 + 78 + 82 + 93 = 340 then divide it into 4, it'll have an average of 85.
87 must be her lowest score on the next quiz in order to have an average of 85