There are two stoplights on the way to school. there is a 45% chance of being stopped at the first light, a 40% chance of being stopped at the second light, and a 15% chance of being stopped at both lights. calculate the probability of being stopped by the first or second light. 5% 18% 85% 70%
A) 18%
B) 5%
C) 70%
D) 85%