It would take Curtis 45 minutes to ride his bike to Jean's house.
4.5; 27 * 6 = 162 and then do 162/36 which is 4.5
The right answer is Option A:![x=\frac{rs-t}{2}](https://tex.z-dn.net/?f=x%3D%5Cfrac%7Brs-t%7D%7B2%7D)
Step-by-step explanation:
Given expression is;
![s=\frac{2x+t}{r}](https://tex.z-dn.net/?f=s%3D%5Cfrac%7B2x%2Bt%7D%7Br%7D)
We will solve this expression for x, therefore,
Multiplying both sides by r
![r*s=\frac{2x+t}{r}*r\\rs=2x+t](https://tex.z-dn.net/?f=r%2As%3D%5Cfrac%7B2x%2Bt%7D%7Br%7D%2Ar%5C%5Crs%3D2x%2Bt)
Subtracting t from both sides
![rs-t=2x+t-t\\rs-t=2x\\2x=rs-t](https://tex.z-dn.net/?f=rs-t%3D2x%2Bt-t%5C%5Crs-t%3D2x%5C%5C2x%3Drs-t)
Dividing both sides by 2
![\frac{2x}{2}=\frac{rs-t}{2}\\x=\frac{rs-t}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B2x%7D%7B2%7D%3D%5Cfrac%7Brs-t%7D%7B2%7D%5C%5Cx%3D%5Cfrac%7Brs-t%7D%7B2%7D)
The right answer is Option A:![x=\frac{rs-t}{2}](https://tex.z-dn.net/?f=x%3D%5Cfrac%7Brs-t%7D%7B2%7D)
Keywords: subtraction, division
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