14100/4000 = 3.525(percent of the total amount she wants compared to planned gain) 3.525/8(years) = .440625... so around 4.4 percent interest for 8 years. As for the second question, I’d assume not to go bankrupt. Hehe. If I’m wrong about the first question please forgive me as it’s my first try attempting such a question.
When you find the perimeter, simply add up all of the side lengths.
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There should be 30 students in the class as a total.
