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Mark brainliest please
Hope this helps you
Answer:
9
Step-by-step explanation:
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:
4 minutes
Step-by-step explanation:
1/2 minute times 8 eights of a song = 4 minutes
