Answer:
47
Step-by-step explanation:
$460 + $90 = $550
4 x $20 = $80
$550 - $80 = $470
$470/10 = 47
they have to wash 47 cars
Answer:
Please see the attached file for the complete answer.
Step-by-step explanation:
The second place runner had already completed 320 meters when the winner crossed the finish line