A stock costs $80 per share. It increases 25%, then decreases 20%. What is the final price per share?
Answer
$80
How to solve it
1
After 25% increase: $80 × 1.25 = $100
2
After 20% decrease: $100 × 0.80 = $80
Hints
Calculate the increase first
Then calculate the decrease on the new amount
Notice you end up back where you started!