Round 4/3 to the nearest half you should come up with 2/3
<span>Yes, square root of 27 can be simplified
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The question is "What's Stella's opportunity cost of working on her serve for an hour?" The rest of the info looks like it's meant to confuse you. They charge $10 an hour. She values an hour of her time at $20. I believe that means she would pay $20. Hope this helps!
