A pair of earrings has a 130% markup rate based on cost. The selling price is $77.77. What is the cost to the nearest cent?
1 answer:
Answer:
The original cost is $59.82
Step-by-step explanation:
x(1.3)=77.77
x=59.82
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I think it is two. I’m sorry if I am wrong.
Answer:

Step-by-step explanation:
Given the equation

Find the derivative:

Substitute

then

9} 3,1,9
18} 1,18,2,9,3,6
They both have 1,3,9