Question

Last year, 150 students used tablet computers at Luz's school.

That number increased by 40% this year. How many students
use tablet computers at Luz's school this year?​

Answer 1

210 students

Explanation:

An increase of 40% means, 100+40 = 140% of the previous value

140% of 150

140/100 × 150

210

Answer 2

210

Explanation:

Take the number and find 40%

150 * 40%

150*.40 = 60

Add this to the original number since it increase by 40%

150 +60 = 210