FINDING AN AMOUNT OF TIME Find the amount of time.
19. I=$30,P=$500,r=3%
20. I=$720,P=$1000,r=9%
21. I=$54,P=$800,r=4.5%
(22) I=$450,P=$2400,r=7.5%
FINDING AN AMOUNT OF TIME Find the amount of time. 19.I=$30,P=$500,r=3% 20.I=$720,P=$1000,r=9%
21.I=$54,P=$800,r=4.5%
I=$450,P=$2400,r=7.5%