17) Oscar gets paid every 2 weeks. He has determined that his budget will allow for 20% or less to be spent on food. If he makes
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Mean of all scores means add them all up then divide by number of scores (5)
so
the mean has to be at least 95 aka, greater than or equal to 95
so
represent the last score with x
mean is the sum of all scores
multiply both sides by 5
minus 378 from both sides
he has to get at least 97 on the last test to get the highest score
good luck, marvin
so
the mean has to be at least 95 aka, greater than or equal to 95
so
represent the last score with x
mean is the sum of all scores
multiply both sides by 5
minus 378 from both sides
he has to get at least 97 on the last test to get the highest score
good luck, marvin