Hay 105 números escritos en una fila.
1, 2, 2, 3, 3, 3, 4, 4, 4, 4 y así sucesivamente (cada número n está escrito n veces) ¿cuántos de estos números son divisibles entre 3?

a)4 b)12 c)21 d)30 e)45

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1