Dawson earns $100 a week from his job. His income increased and now makes $110 a week. What is the percent increase?
Options:
(A) 5%
(B) 10%
(C) 15%
(D) 20%
(E) 25% OK. Let's think. Some random thoughts first:
Increase = (10/100)*100 = (1/10)*100 = 10%. The answer: (B).