Marcus build a model car that is 4 inches wide what scale was used to build the car if the actual width of the car is 6’1” equals to be one and she could . 5’1” equals 1.5 feet1’ equals 1.5 inches
The scale is
4" : 6'1" = 4" : 73" = 4:73 = 1:18.25
6ft.-1in = 6 1/12 Ft. = 6.0833 Ft. = Actual width.
Scale = 6.0833ft/4in = 1.52 Ft./in.
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To determine the scale used to build Marcus's model car, we can compare the width of the actual car with the width of the model car.
According to the information given:
1' = 1.5 inches
5'1" = 1.5 feet
First, convert the width of the actual car, which is 6'1", into feet:
6' + (1"/12") = 6.08 feet
Now, calculate the scale using the ratio of the actual car width to the model car width:
Scale = Actual car width / Model car width
Model car width = 4 inches
Scale = (6.08 feet) / (4 inches)
However, the widths need to be in the same unit before calculating the scale. As the model car is given in inches, convert the 6.08 feet into inches:
1 foot = 12 inches
6 feet = 6 x 12 = 72 inches
Scale = (72 inches) / (4 inches)
Now, simplify the ratio to find the scale:
Scale = 18
Therefore, the scale used to build Marcus's model car is 1:18.