01.09.2018 Pre-Algebra

There were 350 apples on the tree in March. By September, there were 420 apples on the tree. What was the percent of change of apples on the tree. Round your answer to the nearest tenth?

• 20.0% increase

• 16.7% increase

• 20.0% decrease

• 16.7% decrease

What value for x makes this equation true?

½(x - 9) = x - 23

• 16

• 28

• 37

• 55

Suzanne is starting to babysit to earn extra money. She is charging $15 for each hour that she babysits. What represents the independent variable in this situation?

• The total amount charged for babysitting

• The rate she is paid per hour

• The number of hours she babysits

• The number of children she babysits