Mr. and mrs. storey drove 3,200 miles in all during their vacation. mr. storey drove 3 times as much as mrs. storey. how many miles did mr. storey drive? just put equation, this will be on my maths test and i want to understand not just get the answer.

Kilgore trout creates a new scale to diagnose depression. however, his scale only assesses one symptom of depression while ignoring others. which of the following is his new scale most likely lacking? a) test-retest reliability b) discriminant validity c) criterion validity d) alternate-forms reliability e) content validity f) none of the above