Question

4. An automobile dealership received 11 cars that needed to be detailed. If the

service staff took 2 1/2
hours to detail the automobiles, how long did each car
take?

Answer 1

11 cars =21/2 hours

Convert 21/2 hours to minutes

60minutes =1hour

2.5 hours =150mins

11cars=150 mins

1 car =1/11×150mins=

150/11=13 7/11mins

7/11to seconds =60 seconds =1minutes

7/11×60secs =38secs

Answer =1car =13mins 38 secs

Explanation: