If your car used 19.2 gallons of gas to go 1293.6 miles, how many miles per gallon (mpg) did the car get?
1 answer:
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Answer:
There are 120 people in the marching band.
Step-by-step explanation:
Let no. of people in the band be x.
In the first rectangular arrangement,
Width of rectangle () = w people.
Length of rectangle () = (w-7) people
Therefore,
no. of people in the band(x) = Area of the rectangle = Product of width and Length
x = width length
x = (equation 1);
In the second rectangular arrangement,
Width of rectangle () = (w-3) people.
Length of rectangle () = (w-5) people
Therefore,
no. of people in the band(x) = Area of the rectangle = Product of width and Length
x = width length
x = (equation 2);
Therefore, from equation 1 and equation 2 , we get,
Therefore,
w = 15 (equation 3)
From equation 1 and equation 3, we get
x =
x = 120.
Therefore,
no. of people in the marching band = 120 people