Answer: 2 seconds
Step-by-step explanation:
got it right
Answer:
The model car is 10 inches long
Step-by-step explanation:
To solve this question, we use conversion of units
Feet to inches.
Each feet has 12 inches.
The car is 15ft long.
So the car has 15*12 = 180 inches.
.5 inches = 9 in.
Rule of three
.5 inches - 9 inches
x inches - 180 inches
![9x = 180*0.5](https://tex.z-dn.net/?f=9x%20%3D%20180%2A0.5)
![9x = 90](https://tex.z-dn.net/?f=9x%20%3D%2090)
![x = \frac{90}{9}](https://tex.z-dn.net/?f=x%20%3D%20%5Cfrac%7B90%7D%7B9%7D)
![x = 10](https://tex.z-dn.net/?f=x%20%3D%2010)
The model car is 10 inches long
9 1/7 lb
You can convert the mixed numbers to solve it easier! :)