Answer:
Equation is 42t
So,
t=12
According to equation
Put value of t
=42(12)
=504
So 2nd option is correct.
Answer:
Step-by-step explanation:
Answer:
This is a Exponential functions
Step-by-step explanation:
The number of bacterias increases each time so you are getting more bacteria each day .
Answer:
6 green fish
Step-by-step explanation:
green fish = x
(X+3)/60 = x/40
Cross multiplication
60x = 40x+120
subtract 40x on both sides
20x = 120
Divide both sides by 20
x=6
The aquarium has 3 more yellow fish than green fish 6+3 = 9 (9 yelow)
15 fish in total
60% of 15 = 9
40% of 15 = 6
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