Answer
Samantha's height has increased by a factor of 1.1
Samantha's height has increased by 10%.
Work Step by Step
1.65 m / 1.50 m = 1.1
Samantha's height has increased by a factor of 1.1
$\frac{1.65~m - 1.50~m}{1.50~m} \times 100\% = 10\%$
Samantha's height has increased by 10%.
