2 1/6 is about 2 and 4 1/2 is about 5 so we multiply the two to get 10
The actual answer would be 13/6 * 9/2 = 117/12 = 9 and 9/12 or 9 and 3/4, so we know the estimate was good
By the way your question was asked, the unit rate would be one foot per inch, or a 1ft:1in ratio.
Answer:
Steps given below and graph is attached.
Step-by-step explanation:
First Step:
Find out
by substituting ![x=0](https://tex.z-dn.net/?f=x%3D0)
![y=-\frac{1}{5}\times 0+3\\\\y=3\\\\Hence\ line\ passes\ through\ (0,3).](https://tex.z-dn.net/?f=y%3D-%5Cfrac%7B1%7D%7B5%7D%5Ctimes%200%2B3%5C%5C%5C%5Cy%3D3%5C%5C%5C%5CHence%5C%20line%5C%20passes%5C%20through%5C%20%280%2C3%29.)
Second Step:
Find out
by substituting ![y=0.](https://tex.z-dn.net/?f=y%3D0.)
![0=-\frac{1}{5}x+3\\\\\frac{1}{5}x=3\\\\x=15\\\\Hence\ line\ passes\ through\ (15,0).](https://tex.z-dn.net/?f=0%3D-%5Cfrac%7B1%7D%7B5%7Dx%2B3%5C%5C%5C%5C%5Cfrac%7B1%7D%7B5%7Dx%3D3%5C%5C%5C%5Cx%3D15%5C%5C%5C%5CHence%5C%20line%5C%20passes%5C%20through%5C%20%2815%2C0%29.)
Third Step:
Draw a line passing through
.
Graph is attached.
If a diagram has a scale of 1:100, that means that the real thing is 100 times larger. To find how long the real thing is, that means that we need to multiply the length on the diagram by 100. 100 * 15 is 1500. But, that is 1,500 cm. To convert it into meters, we need to divide by 100. That's because there's 100 centimeters in every meter. 1500/100 is 15, which means that the actual length of the car park is 15 meters.