Mr. derbyshire makes a business trip from his house to loganville in 2 hours. one hour later, he returns home in traffic at a rate 20mph less than his rate going. if mr. derbyshire is gone a total of 6 hours, how fast did he travel on each leg of the trip

25 questions , because they start with 100.  

350-100=250 .  

. 250/10=25

step-by-step explanation:

first take off 100, then what x 10 = 250? that is your answer. (25)

twenty-six miles over two gallons because the proportion for the original 13 miles to one gallon would be written 13/1 and, doing the same thing to the top and bottom, i multiplied by 2 and got 26/2