I think it'd be 9 seconds, not 100% sure though.
The answer is 64.4 because you multiply 92 times 0.7 and get 64.4
Answer:
# yellow = 20
# blue = 23
# red = 5
Step-by-step explanation:
let 'r' = # red marbles
let '4r' = # yellow marbles
let '3+4r' = # blue marbles
r + 4r + 3 + 4r = 48
9r + 3 = 48
9r = 45
r = 5
red = 5
yellow = 4(5) = 20
blue = 3+4(5) = 23
Answer: C add 4 to both sides
I hope this helps you !
