225k views
4 votes
A=P+PRT solve for the indicated variable R

2 Answers

4 votes

Answer:

R=A/PT-P/T

Explanation:

A=P+PRT

-P -P

_______

A-P=PRT

÷PT ÷PT

_______

A/PT-P/T=R

User FET
by
3.0k points
6 votes

Answer:

(A-P)/PT = R

Explanation:

A=P+PRT

Subtract P from each side

A-P=P-P+PRT

A- P = PRT

Divide each side by PT

(A-P)/PT = PRT/PT

(A-P)/PT = R

User Halit
by
3.4k points