Answer:
1.44927536232
Step-by-step explanation:
150 miles per hour (pretty slow for a plane so I hope that's correct)
By solving the linear equation it can be obtained that
The value of x is 2
What is a linear equation?
At first it is important to know about equation
Equation shows the equality between two algebraic expressions by connecting the two algebraic expressions by an equal to sign.
A one degree equation is known as linear equation.
The given linear equation is
0.3 = 0.5x - 0.7
0.5x = 0.3 + 0.7
0.5x = 1
x = 
x = 2
The solution of this linear equation is x = 2
To learn more about linear equation, refer to the link-
brainly.com/question/28732353
#SPJ1
Answer:
$117
Step-by-step explanation:
580x3=1,740
619x3=1857
1857-1740=117
So you would save $117 online.