1) first pick red 5/9 blue 4/9
2) second pick when red has been picked red now becomes 4/8, blue stays 4/8
2) Second pick when blue has been picked blue now becomes 3/8, red stays 5/8
Mind you, you only need both different colours so:
first pick red 5/9 x sec pick blue 4/8 = 20/72
and first pick blue 4/9 x sec pick red 5/8 = 20/72
add both up 20/72 + 20/72 = 40/72 = 5/9
Answer:
2y-5
Step-by-step explanation:
friend: y
Brother: y-5
y+y-5
aka
2y-5
Answer:
4800 ft
Step-by-step explanation:
divide 3000 by to get the amount of ft she runs in a minute then multiply that answer by 8
(3000/5= 600×8= 4800
Answer: 5$ in all
Step-by-step explanation:
I added 3 + 2 dollars in all
