Answer:
D
Step-by-step explanation:
The population grew by 8, or 10%.
The gains from births and immigrating in were 21+6=27. The losses from deaths and emigrating out are 12+7=19. (Since it is a loss, it will be -19.)
27-19 = 8 total gained; 8/80 = 1/10 = 10%
100 because -
5 bacteria will become 10 in 1 hour
As it’s 10 hours
10 x 10 = 100
Sounded like a easy question I got so confused lol
Hope this Helps :)
Answer:
45 minutes.
Step-by-step explanation:
Yesterday, he made 6 keychains in 30 minutes.
Hugo wants to make 9 keychains today. We need to find how long will it take him to make the keychains.
6 keychains = 30 minutes
1 keychains = (30/6) minutes
For 9 keychains,
So, to make 9 keychains, it will take 45 minutes.