Your parents drove the family car 462 miles on 14 gallons of gas. On average how many miles did the car travel on each gallon of
1 answer:
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To find the value of r
We will follow the steps below
Usinf the equation of a slope:
slope(m) =
from the question given;
m= -3/4
x₁ = 3
y₁=4
x₂=-1
y₂=r
substituting the values into the slope formula
we can now simplify and then solve for r
cross-multiply
-3 x -4 = 4(r-4)
12 = 4(r-4)
Divide both-side of the equation by 4
3 = r - 4
add 4 to both-side of the equation
3+4 = r-4+4
7 = r
r=7
Therefore the value of r is 7
Answer:
75%
Step-by-step explanation:
We can use the formula
- "of" is 5
- "is" is 3.75
- We will denote "percent" as x since that is what we are solving for
Now we just need to plug in the known values and solve for x
- Cross multiplying we get (5)(x) = (3.75)(100)
- Then simplifying we get 5x = 375
- Dividing by 5 we get x = 75%
$3.75 is 75% of $5