Mathematics, 01.07.2019 09:30, lopezhailey317
This is a variation acitivity: for a given interest rate, simple interest varies jointly as principal and time. if $2000 left in an account for 4 year earns interest of $320, how much interest would be earned in if you deposit $5000 for 7 years? to set it up so far for step 1, i have s = kpts = simple interestp = principalt = timei know i have to solve for k first using the information then fill in k to get the second half for the answer. i just don’t know how to do that with this question considering the wording.
Answers: 1
![\bf \qquad \qquad \textit{direct proportional joint variation} \\\\ \textit{\underline{y} varies jointly with \underline{x} and \underline{z}}\qquad \qquad y=kxz\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}](/tpl/images/0038/1984/d0cf8.png)
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Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250
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This is a variation acitivity: for a given interest rate, simple interest varies jointly as principa...
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