Answer:10505.50 miles
Step-by-step explanation:Step 1-[tex]22x^{3}-5xx^{2} +15\\10643-25+15\\10638 mi[/tex](this is what he knows so far from his house in Georgia to his house in Texas)
Step 2-[tex](10x^{3} +7xx^{2} -8x+9\\1000+49-8x+9\\8x=1058 divide it by 8x \\132.5 or 132.50[/tex]
Step 3-[tex]10638-132.5=10505.5 or 10505.50[/tex]
