Lisa’s car goes 300 miles on 15 gallons of gas. How fuel efficient is Lisa’s car?
1 answer:
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Answer:
The width of the scale model is 33 inches.
Step-by-step explanation:
This question is solved making a relation with the scale model.
In the scale, 3 inches are worth 11 real feet.
The actual width of the building is 121 feet, so we find it's scale by a rule of three.
3 inches - 11 feet
x inches - 121 feet
Simplifying by 3, both sides
The width of the scale model is 33 inches.
Answer:
Area: 7850 square cm
Perimeter: 314 cm.
Step-by-step explanation:
The area is . With r=50,
=2500π which is about (2500)(3.14)=7850.
The perimeter is which is the same as (diameter)(π). The diameter is 100, so
which is about (100)(3.14)=314.