12,419,293
an increase of 100,000 = 12,519,293
an increase of 1,000,000 = 13,419,293
a decrease of 10,000 = 12,409,293
$7881.18
Step-by-step explanation:
Let the initial Investment be 
. The Interest is compounded on a monthly basis at 12% annual interest rate. After 17 years, the Investment amounts to $60,000.
As the annual interest rate is 12%, the monthly interest rate is 1%.
Since this is a compound interest problem, the total amount can be modeled as follows: 
Here 
is the interest rate, i.e 
, and t is the number of time periods, i.e 
= 
∴ Initial Investment = $7881.18
The answer is B, all real number
Wouldn't it be 45? it's the minimum afterall
Answer:
Ou seja, nesse caso, 15 reais para cada uma, escrevendo de uma maneira mais simples:
" 15 para as duas"
E assim obtemos a resposta, a letra b) 1:45, pois são 15 para as duas.
Step-by-step explanation:
