Answer:
50
Step-by-step explanation:
Answer:
A0.15
Step-by-step explanation:
Answer: D
Step-by-step explanation: 20,20
Answer:
This is a 10 percent increase
Step-by-step explanation:
Last week he spent 10 hours
This week 11 hours
percent increase = (new - original )/original * 100 percent
= (11-10)/10 * 100 percent
= 1/10 * 100 percent
= 10%
This is a 10 percent increase