jazzyjas123
jazzyjas123 jazzyjas123
  • 25-02-2015
  • Mathematics
contestada

The train travels 120 miles in 2 hours. How far will the train travel in 4 hours?

Respuesta :

pinkster104
pinkster104 pinkster104
  • 26-02-2015
So 120/2 and x/4 p.s it can also be written 120/x = 2/4 depending on which way you like to solve proportions. Cross multiply 4· 120= 480 and 2·X= 2x Divide 480 by 2 and x= 240
Answer Link
naǫ
naǫ naǫ
  • 26-02-2015
120 miles - 2 hours
x miles - 4 hours
cross multiply:
[tex]2x=4 \times 120 \\ 2x=480 \\ x=\frac{480}{2} \\ x=240[/tex]

It will travel 240 miles.
Answer Link

Otras preguntas

what is 15 out of 24 as a percent?
Wilma worked 38 hours 52 minutes last week. She earns $25.15 per hour. What is wilma's pay for this work period? Round your answer to the nearest hundredth
Polygon ABCDEF has 6 sides. A is 170° C is 133° D is 102° he is 117° and F is 90°. What is the measure of b?
the computer that process data that are represented in the form of discrete values are called​
Assuming that the desired rate of return is 12%, determine the net present value for the proposal.
The mathematics department of a college has 6 male​ professors, 12 female​ professors, 14 male teaching​ assistants, and 11 female teaching assistants. If a per
Math question for grade 8​
What did the South stand to gain as a result of the Compromise?
Write the equation of a line in slope-intercept form that has a slope of 3/4 and passes through the point (-4, 1). y equals 0.75 x plus 4 y equals 4 x plus 0.75
7)On subtracting 8 from x, the result is 2 . Form a linear equation for the statement.