Problem: Coming off their divisional home win over the Cardinals, head coach Jim Harbaugh and the 49ers flew to M&T Bank Stadium for a Week 12 interconference duel with the Baltimore Ravens and their head coach (Jim's brother) John Harbaugh on Thanksgiving. San Francisco trailed early in the first quarter as Ravens kicker Billy Cundiff got a 39-yard field goal, yet the 49ers answered with a 45-yard field goal from kicker David Akers. Baltimore struck back in the second quarter with Cundiff making a 23-yard field goal. San Francisco began the third quarter with a 52-yard field goal from Akers, but the Ravens opened the fourth quarter with quarterback Joe Flacco completing an 8-yard touchdown pass to tight end Dennis Pitta, followed by Cundiff nailing a 39-yard field goal. The Niners tried to rally, but Baltimore's defense held on to preserve the win.
Answer this question based on the article: How many total field goal yards did Billy Cundiff make?
A: 101

Problem: In the county, the population was spread out with 23.00% under the age of 18, 9.40% from 18 to 24, 26.80% from 25 to 44, 25.20% from 45 to 64, and 15.60% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 96.70 males. For every 100 females age 18 and over, there were 92.00 males.
Answer this question based on the article: Which groups in percent are larger than 17%?
A: under the age of 18

Problem: The total population in sub-Saharan Africa is projected to increase to almost one billion people, making it the most populated region outside of South-Central Asia. According to the United Nations, the population of Nigeria will reach 411 million by 2050. Nigeria might then be the 3rd most populous country in the world. In 2100, the population of Nigeria may reach 794 million. While the overall population is expected to increase, the growth rate is estimated to decrease from 1.2 percent per year in 2010 to 0.4 percent per year in 2050. The birth rate is also projected to decrease from 20.7 to 13.7, while the death rate is projected to increase from 8.5 in 2010 to 9.8 in 2050. List of countries by life expectancy is all expected to increase from 67.0 years in 2010 to 75.2 years in 2050. By 2050 the percent of the population estimated to be living in urban areas is 69.6% compared to the 50.6% in 2010.
Answer this question based on the article: By how many people is the birth rate projected to decrease between 2010 and 2050?
A:
7