Summer earns extra money raking leaves in the fall. She earns $20 per week raking leaves and gets paid on Friday. Each Saturday Summer goes out with her friends and spends half of the money she earned that week.
Which of the following is the sequence of how much money Summer has every Friday after being paid for raking
leaves and every Saturday after spending money with her friends?
A $10, $20, $30, $40, $50, $60, $70, $80
B
$20, $30, $40, $50, $60, $70, $80, $90
C$20, $10, $30, $15, $35, $18, $38, $19
D
$20, $10, $30, $20, $40, $30, $60, $50