3 multiple choice 2 points solve the formula (simple interest) ( i = prt ) for the letter ( r ). ( r = ipt )…

3 multiple choice 2 points solve the formula (simple interest) ( i = prt ) for the letter ( r ). ( r = ipt ) ( r = i + pt ) ( r = i - pt ) ( r = \frac{i}{pt} )

3 multiple choice 2 points solve the formula (simple interest) ( i = prt ) for the letter ( r ). ( r = ipt ) ( r = i + pt ) ( r = i - pt ) ( r = \frac{i}{pt} )

Answer

Explanation:

Step1: Isolate ( r )

Given ( I = Prt ), divide both sides by ( Pt ). $$\frac{I}{Pt}=\frac{Prt}{Pt}$$

Step2: Simplify

Cancel out ( Pt ) on the right - hand side. $$\frac{I}{Pt}=r$$

Answer:

( r=\frac{I}{Pt} ) (the fourth option)