D= 34*g
g= d/34
g= 578/34 = 17
car need 17 gallons of gas to travel 578 miles
If UT is the midsegment of QRS, then SQ = 2(2x + 2) = 4x + 4
Then,
(3x + 1)/(7x - 1) = (2x + 2)/(4x + 4) = 1/2
2(3x + 1) = 7x - 1
6x + 2 = 7x - 1
7x - 6x = 2 + 1
x = 3
Therefore, SQ = 4(3) + 4 = 12 + 4 = 16.
They made 118,608 more dollars than week two
278,296-159,688+118,608