Answer:
Sales tax:1.80 total cost:61.80
Explanation:
Price x sales tax rate = sales tax
60 x .03=1.80
price + sales tax = total cost
60 + 1.80=61.80
$61.80
60 increase 3% =
60 × (1 + 3%) = 60 × (1 + 0.03) = 61.8
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