I need help I’m confused

Mathematics

2 answers:

Lisa [10]3 years ago

6 0

Answer:

ruth 88/220 0.45 = 45%

hayden 117/260 0.4 = 40%

frankie 165/300 0.56 =56%

Step-by-step explanation:

hodyreva [135]3 years ago

4 0

Answer:

Elliot read more then the others

Step-by-step explanation:

cause if you count it he is closer

he has 70 and the others are like in the hundreds soo Elliot highest Ruth second Frankie has 80 more to read and then Haden has 286 more to read

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A $20, 000 brand new car depreciate its value every year following the pattern, $16,000, $12,800, $10,240. How much will the car

seropon [69]

Answer:

Step-by-step explanation:

Use the info given in the exponential equation to find the value of b, the rate of decay.

$v(t)=a(b)^t$ where v(t) is the value of the car after a certain number of years, t, have gone by, a is the initial value, and b is the rate of decay. We have everything we need but b:

a = 20000

v(t) = 16000 after t = 1 year:

$16000=20000(b)^1$ so

b = .8 Taken in context, this means that the car depreciates 20% each year. Now we can solve the problem being asked of us, which is to find the value of the car after t = 5 years:

$v(t)=20000(.8)^5$ which simplifies down a bit to