The constant is 7
The interpretation of this constant is Marcus paying to enter the county fair.
Answer:
it is 0
Step-by-step explanation:
Answer:
4 cars because he washed 20 cars in 20 hours
30 x 2 = 60 min running
30 - 10= 20 min biking
30+60+20=110 min, or an hour and 50 minutes