Answer:
The gasoline cost $411.47.
Step-by-step explanation:
This problem can be solved using rules of three.
The first step is finding how many gallons were used.
They travelled a total of 3982 miles. They averaged 24 miles per gallon of gasoline.
So
1 gallon = 24 miles
x gallons - 3982 miles
195.9 gallons were used.
How much did the gasoline cost is the price per gallon was $2.48?
Each gallon costs $2.48. 195.9 gallons were used. So
$2.48*195.9 = $411.47
The gasoline cost $411.47.
It would be simplified to 1/21
Answer:
(2,5)
Step-by-step explanation:
We have
And we know that
So, we can actually express the variables in term of numbers and alone:
And the expression becomes
And dividing both sides by 3 we get
And since , we have
The area of square: s · s = s²
The area of rectangle: (s + 6) · s = s(s + 6)
So:
s² + s(s + 6) = 56
s² + s(s + 6) - 56 = 0
Answer D.