All outcomes of three children (using G for girl and B for boy)
GGG, GGB,GBG,GBB,BGG,BGB,BBG,BBB
1) exactly two is 3 out of 8 total outcomes, or 3/8
2) all sons is one outcome, or 1/8
Answer:
car b
Step-by-step explanation:
car a = 170/4=42.5 mph
car b = 306/4=76.5 mph
