Answer: they retreat 1.75 meters over 5 years
Step-by-step explanation:
Answer:
<h2>160 is 20% of 800</h2>
Step-by-step explanation:
METHOD 1:
![\begin{array}{ccc}100\%&-&800\\\\20\%&-&x\end{array}\qquad\text{cross multiply}\\\\\\100x=(20)(800)\qquad\text{divide both sides by 100}\\x=(20)(8)\\\boxed{x=160}](https://tex.z-dn.net/?f=%5Cbegin%7Barray%7D%7Bccc%7D100%5C%25%26-%26800%5C%5C%5C%5C20%5C%25%26-%26x%5Cend%7Barray%7D%5Cqquad%5Ctext%7Bcross%20multiply%7D%5C%5C%5C%5C%5C%5C100x%3D%2820%29%28800%29%5Cqquad%5Ctext%7Bdivide%20both%20sides%20by%20100%7D%5C%5Cx%3D%2820%29%288%29%5C%5C%5Cboxed%7Bx%3D160%7D)
METHOD 2:
![\begin{array}{cccc}100\%&-&800&\text{divide both sides by 5}\\\\100\%:5&-&800:5\\\\20\%&-&160\end{array}](https://tex.z-dn.net/?f=%5Cbegin%7Barray%7D%7Bcccc%7D100%5C%25%26-%26800%26%5Ctext%7Bdivide%20both%20sides%20by%205%7D%5C%5C%5C%5C100%5C%25%3A5%26-%26800%3A5%5C%5C%5C%5C20%5C%25%26-%26160%5Cend%7Barray%7D)
METHOD 3:
![p\%=\dfrac{p}{100}\\\\20\%=\dfrac{20}{100}=\dfrac{2}{10}=0.2\\\\20\%\ of\ 800\to0.2\cdot800=160](https://tex.z-dn.net/?f=p%5C%25%3D%5Cdfrac%7Bp%7D%7B100%7D%5C%5C%5C%5C20%5C%25%3D%5Cdfrac%7B20%7D%7B100%7D%3D%5Cdfrac%7B2%7D%7B10%7D%3D0.2%5C%5C%5C%5C20%5C%25%5C%20of%5C%20800%5Cto0.2%5Ccdot800%3D160)
Answer:
SAS
Step-by-step explanation:
JK is congruent to LM (given)
L is midpoint of JN (given)
JL is congruent to LN (definition of midpoint)
JK is parallel to LM (given)
Angle LJK is congruent to Angle NLM (corresponding angles)