Yesterday, Edith went surfing and was out for 2 hours. Today, she spent 50% more time than yesterday riding waves. How long was Edith out surfing today?

Answer: 3 hours

Step-by-step explanation:

From the given information,

Edith spent 2 hours the previous day which implies 100%

50% increase today means (2 hours of previous day) + (50/100 * 2)

= 2 hours + (0.5 * 2)

= 2 hours + 1 hour

= 3 hours

Therefore, edith spent 3hours surfing today.