Step-by-step explanation:
Total marbles = 1 + 3 + 5 + 6 = 15
Probability of not blue marble = 10 / 15 = 2 / 3
Answer:
(384a+400)
Step-by-step explanation:
4(4a+5)4(4a+5)
first multiply the 4s in (8a+20)(8a+20)
then multiply the two ( )( )
64a+160a+160a+400
combined like terms
(384a+400)
Answer:
500 + 200x = 3500 , 15 months
Step-by-step explanation:
starting 500
200 each month = 200x