
an is the 'nth' term
a1 is first term
d=common difference (found by doing

)
n=numerical representation of which term
1 4/5 would be the answer
Answer:
approximately 1 to 7.674 billion people
Step-by-step explanation:
cause theres 7.674 billion peepsin the world
You have invested 1200 dollars in your mutual fund and now gained 1333 dollars. First let's solve how much money added to your investment.
=> 1333 - 1200 = 133 dollars was added to your account
=> 133 / 1200 = 0.11
Next, lets convert this to decimal value.
=> 0.11 * 100% = 11% was added to you investment.
The sum of 2a and 3b:
2a + 3b