Answer:
On the highway, the cost to drive per mile is $2.21
Step-by-step explanation:
In the city the average distance per gallon is 15 miles
On the highway, he can drive 47% farther;
The distance he can cover on the highway per gallon will be;
15 + 47% of 15
= 15 + 0.47(15)
= 15 + 7.05 = 22.05
So on the highway, he can travel a distance of 22.05 miles
So the cost per mile on the highway would be;
$3.25 for 15 miles
$x for 22.05 miles
so we have the cost to drive per mile on the highway as;
(3.25 * 15)/22.05 = $2.21
According to P E M D A S (parentheses, exponents, multiplication, division, addition, and subtraction) (2*3)=(6) and 25/5 is 5. 5(6)=30. Your answer is 30.
This system has exactly one solution, because the two equation are linearly independent (i.e. one is not a multiple of the other).
We can explicitly find the solutions: from the first equation we deduce
Plug this value for x in the second equation:
Multiply both sides by 6 to get
Plug this value for y in the expression for x:
Since both a,b are not zero, both solutions are well defined.
Answer:
14 ft/sec
so 14 feet in one second.
Hope this helps you :)
Good Luck :)))
