Betty calculates how much salary she earns waiting tables using the following formula: S = 2.5h + t, where S represents her whole salary, h is the number of hours she worked, and t is the amount of tips earned. If Betty worked 35 hours and earned $642.50 in tips, what was her total salary???
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Answer:
$730
Step-by-step explanation:
S=2.5(35)+$642.50
S=87.5+$642.50
S=$730
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