Ascientist writes the equation n(h)100e^0.25h to model the growth of a certain bacteria in a petri dish, where n represents the number of bacteria after h hours. after approximately how many hours will 450 bacteria be present? round your answer to the nearest whole number.
1 hour
6 hours
13 hours
15 hours

6 hours is the amount of time

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.

pi x^2

step-by-step explanation:

pi times x squared