He worked 4 hours on Saturday and 5 hours on Sunday for a total of 4+5 = <<4+5=9>>9 hours
His base pay is $10.00 an hour and he worked 9 hours for a total of 10*9 = $<<10*9=90.00>>90.00
He delivered groceries to 5 people on Saturday and 8 people on Sunday for a total of 5+8 = <<5+8=13>>13 deliveries
He makes $5.00 per delivery and he delivered to 13 people so he made 5*13 = $<<5*13=65.00>>65.00
His base pay is $90.00 and he made $65.00 in tips for a total of 90+65 = $<<90+65=155.00>>155.00
#### 155