You can substitute 20 + d for c in the first equation which gives you
20+ d = 100 - d then solve
2d = 80
d= 40
then put the value for d back into one of the original equations
c= 20 + d
c = 20 + (40)
c = 60
Answer:
distance = 9.25
4 days a week = 16 days a month
9.25 × 16 = 148 miles.
The answer is 148 miles.
Hope it helps :)
Answer:
13 cents per bottle
Step-by-step explanation:
Answer:
201.06
Step-by-step explanation:
A=πr^2
A=3.14*8^2
201.06