Question

interest rate on car loan increased 50% over the last 10 years and is now 9%. what was the rate 10 years ago

Answer 1

1.5X = 9%; this reads 150% of X (1.5X) equals 9%: 150% of X is the same as X increasing by 50%.

X = 9/1.5;divide by 1.5

X = 6