Let X = Marinas speed in MPH
Let T = Time
T=288/X
312=(X+6)T
312=(X+6)(288/X)
312=288X/X+1728/X
312=288+1728/X
312-288=1728/X
24=1728/X
24X=1728
X=1728/24
X=72 MPH FOR MARINA
72+6=78 MPH FOR JAMIE
Answer:
Step-by-step explanation:
If the series has a fixed gap between entities (terms).
Add the first and the last values and multiplied by the half of number of terms
For example

2,4,6,8,10 = 5/2 (2 + 10) =30
2+4+6+8+10 =30
Answer:
I think it would be either $134.89 or 113.22
Step-by-step explanation:
just from an estimate, I got close to one of these two
1.) It is D) $106.20
46020 / 52 (because she's paid weekly) = 885
7% + 5% = 12%
885 x .12 = 106.2
2.) It is D) $106.20
46020 / 52 (because she's paid weekly) = 885
7% + 5% = 12%
885 x .12 = 106.2
3.) He will pay $500 + $2000, or $2500.