Q: In the county, the population was spread out with 24.90% under the age of 18, 7.20% from 18 to 24, 28.10% from 25 to 44, 23.60% from 45 to 64, and 16.30% who were 65 years of age or older.  The median age was 39 years. For every 100 females there were 97.10 males.  For every 100 females age 18 and over, there were 93.60 males.
How many percent were not under the age of 18?

A: 75.1


Q: The iron concentration in the Lackawanna River near Coxton Road ranged from less than 1.21 to 10.5 milligrams per liter, with an average of 3.98 milligrams per liter. The amount of manganese ranged from less than 0.199 to 1.35 milligrams per liter, with an average of 0.67 milligrams per liter. The aluminum concentration ranged from less than 0.5 to 0.664 milligrams per liter. The pH ranged between 6.5 and 6.7, with an average of 6.58. The acidity concentration was typically 0, but once reached 15.4 milligrams per liter. The alkalinity concentration ranged from 24 to 68 milligrams per liter (with an average of 44.37 milligrams per liter). The sulfate concentration ranged from 30.2 to 221 milligrams per liter, with an average of 104.78 milligrams per liter.
How many milligrams difference is there in the high and low iron concentration in the Lackawanna River?

A: 9.29


Q: On January 1, 2010, 64.5% of the population had French nationality, while 35.5% had a foreign nationality. Of these, Surinamese (13.8% of the total population), Haitians (8.8%) and Brazilians (8.7%) were the largest groups. Smaller groups included people with nationality of Guyana (1.7%), Colombia (1.0%), China (0.5%), the Dominican Republic (0.4%) and Peru (0.2%).
How many more percentage points of the population had French nationality than foreign nationality?

A: 29


Q: According to the Federal Bureau of Investigations 2015 Uniform Crime Report, Indianapolis ranks as the 16th most dangerous city in the U.S., with 17.1 homicides per 100,000 people, compared with the U.S. rate of 4.9 homicides per 100,000 people. Between 2012 and 2014, the murder rate rose by 44%. There were 138 homicides in 2014, with 60% of victims and 90% of perpetrators being young black men. With 144 criminal homicides, 2015 surpassed 1998 as the year with the most murder investigations in the city. With 154 criminal homicides, 2017 marked the third consecutive year of record violence. FBI data showed a 7 percent increase in violent crimes committed in Indianapolis, outpacing the rest of the state and country. Law enforcement has blamed increased violence on a combination of root causes, including poverty, substance abuse, mental illness, and availability of firearms.
How many more criminal homicides were there in 2015 than in 2014?

A:
6