There are 5 padlocks with 5 keys. Each key only opens 1 padlock. What is the least amount of trials required to guarantee that you´ll open all padlocks. Please include an explaination.

a. (14,375+570)(5.3) b. 158,417$

step-by-step explanation:

a. you are basically just setting up the equation. f= amount of debt hence 14,375. g= how much she is borrowing from her parents weekly hence 570 and t= the interest on her debt. creating the equation.

b.   14,375+570= 14,945

      14,945 x 5.3 = 79,208.5

      79,208.5 x 2(years) = 158,417(answer)

jbankston is right, use thhe link and you should find the answer.