A scuba diver is 72 feet below sea level .As the diver rise he stops every 15 feet what integer tells his depth after the first
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After 5 tests, her average was 88. To have a seven-test average of 90, the total must be:
Her average after 5 tests was 88. Her total score on the 5 tests is:
Subtract:
Find the average by dividing by 2:
Her average must be 95