212.5 miles because Gavin drives 85 miles on 10 gallons therefore 85/10=8.5 miles per gallon X 25 gallons=212.5
Answer: Option B.
![b=\frac{5}{4}](https://tex.z-dn.net/?f=b%3D%5Cfrac%7B5%7D%7B4%7D)
Step-by-step explanation:
If a varies directly with b then when a increases b it also increases by a factor k.
Then we can write that
![a = kb](https://tex.z-dn.net/?f=a%20%3D%20kb)
We know that when a = 28 then b = 7. So
![28 = k * 7](https://tex.z-dn.net/?f=28%20%3D%20k%20%2A%207)
![k=\frac{28}{7}](https://tex.z-dn.net/?f=k%3D%5Cfrac%7B28%7D%7B7%7D)
![k=4](https://tex.z-dn.net/?f=k%3D4)
Therefore the equation of proportionality is:
![a=4b](https://tex.z-dn.net/?f=a%3D4b)
So when
then:
![5=4b\\\\b=\frac{5}{4}](https://tex.z-dn.net/?f=5%3D4b%5C%5C%5C%5Cb%3D%5Cfrac%7B5%7D%7B4%7D)
$15 + $32.50 + 8% = $51.30
15 + 32.50 = 47.50
8% × 47.50 = 3.80
47.50 + 3.80 = 51.30
Answer:
a) x is the independent and y in the dependent
b) y=4
Step-by-step explanation:
b.) How much of the trail mix remains after you eat 6 servings?
Substitute 6 into the x variable.
y=16-2(6)
y=4
Answer: A
Step-by-step explanation: