76÷4= ; x=19, you divide 76 by 4 because if he is 1/4 then it would be a group of one of the 4's, thus saying ehen you divide 76 by 4, it equals 19, so he is 19 years old, you could also do 19×4 and 22×4 to see which equals 76.
Answer:
819.54 cm^2
Step-by-step explanation:
We are given
Slant height = l = 20cm
and
Diameter = d = 18 cm
We have to find radius first
r = d/2 = 18/2 = 9 cm
The formula for surface area is:

As second option is nearest to calculated answer, it is the correct option ..
Answer:
The American population was 20% of the British population.
Step-by-step explanation:
Let us call
the american population,
the British population before the migration, and
the population that migrated from America to Britannia.
Now, the population
that migrated was 20% of the american population:
,
and the same population
increase the British population by 4%:

Combining equation (1) and (2) we get:



Thus, the American population was 20% of the British population.
The answer is 12
12-(5+3)=4
4+8=12