7, 14, 21, 28, 35, 42, 49... 7 cars will need. to be washed to reach $49
You first convert everything to minutes
3hrs= 60x3=180mins
1hr= 60x1=60mins
then you add 20 to 180
200
and you also add 48 to 60
104
200-104=
96
Then you convert to hrs and mins
96-60=36
1hr 36mins
Answer:
21,316! hope that helps lol
Answer:
Dining Hall = 24 square meters
Kitchen = 48 square meters
Together = 72 square meters