Sam's employer has promised him a 20% pay increase. He presently earns $5 per hour. What will be his new hourly pay after the increase? There were 75 members of the Drama Club last year, but there are only members this year. What is the percent of decrease?

Carlos works at a computer store.
He earns a 4%commission on all of his sales What amount must he sell to earn a commission of $200?

Pls! does anybody know a shortcut for answering these types of questions in the future?

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?