Jerry jogs the same round trip path everyday. he jogs 0.7 miles to the park and then 0.5 miles from the park to the playground. after getting a drink at the playground, he then jogs back from the playground to his house. he jogs from the playground to the bridge 0.3 miles and then 0.9 miles from the bridge to his house. when jerry completes his jog, how many miles is he from his house?
a) 0
b) 1.2
c) 2.4
d) 4.8