Answer:
1 hour
Step-by-step explanation:
Multiply the total time for the party by the fraction that she skated
3*1/3 = 3/3 =1
1 hour
Answer: $440
Steps:
Retrace the math. Your total at the end was $22.00, before that you had a 10% tax so you multiply the tax in order to retrace that step. Next, multiply is by 2 as the 50% discount which gets you to $440
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Below is the solution:
<span>E(X) = 50*1 - 3*8000/10000
E(X) = 50 - 24 = $26 per year</span>
I would look for the first prime larger (or smaller) than √n.