The Ravens began their season at New Meadowlands Stadium for an AFC duel with the New York Jets. Baltimore trailed early in the first quarter after quarterback Joe Flacco was sacked and fumbled on his first offensive play of the game. However, the Ravens' defense was able to hold the Jets to a 23-yard field goal from kicker Nick Folk. Folk kicked another field goal, from 28&#160;yards, in the second quarter after a fumble by running back Willis McGahee. After that, the Ravens replied and took the lead when McGahee completed a 1-yard touchdown run. At the end of the first half, the Ravens led 7-6. The Ravens extended their lead in the third quarter when kicker Billy Cundiff got a 25-yard field goal. The Jets cut the lead in the fourth quarter when Folk kicked a field goal from 48&#160;yards, making the score 10-9. The Ravens' defense managed to prevent any further progress and allowed them to take the win.
Question: How many total points were scored in the first half?
Answer: 13