Rhianna's scores in her math class are 70, 68, 96, 87, and 82. To get a B in the class, he needs to have an average of 80 or better. What score must she make on the last test to get a B? SHOW ALL WORK PLEASE!
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Step-by-step explanation:
Average = 70 +68 +96 +87 +82
5
= 403
5
= 80.6 She already have an average of 80 or better...
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