Write the formula that you will use to solve each of these exercises.

Write the substitution of the formula that you will use to solve each exercise.

Exercise 1: ISMr. Gutirrez lends $350,000 for two months, taking one year into account at an interest rate of 18.25%. What will the amount be?

Exercise 2: CIHow long will it take for $900 to become $5,000 at an annual rate of 11.15% compounded bimonthly?

Exercise 3:Mr. Juan participates in a "tanda" and it is his eighteenth month to collect. If he will receive $52,000 in 18 months, what is the present value of his batch with a simple interest of 12.52% per year?

Exercise 4:Find the sum of the first 20 digits of the progression 16, 12, 8.......

Exercise 5:Find the sum of the first 12 terms of the sequence 16, -8, 4.......