Question

14 points to who solves it

Answer 1

Step-by-step explanation:

An appropriate solution for r is ...

`A=P(1+rt)\\\\A=P+Prt \qquad\text{correctly use the distributive property}\\\\A-P=Prt \qquad\text{subtract P}\\\\(A-P)/(Pt)=r \qquad\text{divide by the coefficient of r}\\\\r=(A-P)/(Pt) \qquad\text{write with r on the left}`

The denominator factor can be changed to Pt to correct the error made in the use of the distributive property.