Answer:
Brenda.
Step-by-step explanation:
Wrong.
Answer:
n = all real numbers
Step-by-step explanation:
7n+12=1/2(14n+24)
multiply each side by 2
2(7n+12)=2*1/2(14n+24)
distribute
14n+24 = 14n + 24
subtract 14n from each side
14n-14n+24 = 14n-14n + 24
24=24
this is always true
n = all real numbers
Answer:
day 14 , 450 dollars
Step-by-step explanation:
We called x is the number of days
Zippy Rent-a-car: 25x + 100
Speedy Rent-a-car: 30x + 30
25x + 100 = 30x + 30
25x -30x = 30 - 100
-5x = -70
x = 14
c.
more styrofoam is discarded than paper and plastic combined