Answer:
Ellen invested $60 and Bob invested $140
Step-by-step explanation:
let the two amounts invested by 3x and 7x
(notice 3x : 7x = 3 : 7 )
then 3x + 7x = 200
10x = 200
x = 20
then 3x = 3(20) = 60
and 7x = 7(20) = 140
60+140=200
Answer:
25%
Step-by-step explanation:
2500*4 = 10000
10000/4 = 2500
its 1/4 of the students
25%
Its b because blue plus white is 16, so blue and white combined have the same as black
Hope this helps :D
Answer:
A) 27
B) 1/9
C) 1/9
Step-by-step explanation:
A) 3×3×3 = 27 outcomes
B) (3×2)/27 = 1/9
C) first one is a purple, probability of next 2 being orange is:
1/3 × 1/3 = 1/9
Answer:
whast the question to answer tho? what do i solve?
Step-by-step explanation: