Tammy scored 88, 72, 44 points on her first three test. What must she score in her last test to get at least an average of 70?
1 answer:
Answer:
76
Step-by-step explanation:
(88+72+44+x)/4=70
88+72+44+x=280
204+x=280
x=76
Therefore, Tammy needs to score a 76 on her last test to get at least an average of 70.
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