The slope intercept form is
y=6x-43
Answer: $60.75
Steps:
45 * 35%
45 * 0.35 = $15.75
45 + 15.75 = $60.75
Ok, so 3 and 10, remember that, then remember 1 and 2. Subtract them both, and that will be your average speed.
Divide both by 18.
<span>140/18=7.78 </span>
<span>So... $7.78 per foot</span>
keeping in mind that 250 days is not even a year, since there are 365 days in a year, assuming so, then 250 days is really 250/365 years.
![\bf ~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\\ P=\textit{original amount deposited}\dotfill & \$800\\ r=rate\to 4.5\%\to \frac{4.5}{100}\dotfill &0.045\\ t=years\to \frac{250}{365}\dotfill &\frac{50}{73} \end{cases} \\\\\\ I=(800)(0.045)\left( \frac{50}{73}\right)\implies I\approx 24.658](https://tex.z-dn.net/?f=%5Cbf%20~~~~~~%20%5Ctextit%7BSimple%20Interest%20Earned%7D%20%5C%5C%5C%5C%20I%20%3D%20Prt%5Cqquad%20%5Cbegin%7Bcases%7D%20I%3D%5Ctextit%7Binterest%20earned%7D%5C%5C%20P%3D%5Ctextit%7Boriginal%20amount%20deposited%7D%5Cdotfill%20%26%20%5C%24800%5C%5C%20r%3Drate%5Cto%204.5%5C%25%5Cto%20%5Cfrac%7B4.5%7D%7B100%7D%5Cdotfill%20%260.045%5C%5C%20t%3Dyears%5Cto%20%5Cfrac%7B250%7D%7B365%7D%5Cdotfill%20%26%5Cfrac%7B50%7D%7B73%7D%20%5Cend%7Bcases%7D%20%5C%5C%5C%5C%5C%5C%20I%3D%28800%29%280.045%29%5Cleft%28%20%5Cfrac%7B50%7D%7B73%7D%5Cright%29%5Cimplies%20I%5Capprox%2024.658)