ttbf ttbf
  • 08-07-2015
  • Mathematics
contestada

On a map, 3 inches corresponds to 100 miles. Find the actual distance between two cities that are 7 1/2 inches apart on the map.

Respuesta :

hunaifirst hunaifirst
  • 08-07-2015
Check by using law of ratios and proportions:
3 is to 100 = 7.5 is to x
Rule: The product of the means equals the product of the extremes.
3•x = 7.5•(100)
3x = 750
x= 750 : 3
x = 250
Answer Link

Otras preguntas

Can someone help me with number 3?
What is the edge of a tectonic plate called?
ISSUING driver's licenses is the responsibility of which level of  government
how was a squire welcomed into the order of knights
The numerous post-war uprisings in which nationalists attempted to overthrow colonial rulers or oppressive regimes in the name of national sovereignty were know
What is the edge of a tectonic plate called?
Aristotle,one of the first scientists to group organisms,grouped animals according to what way?
Aristotle,one of the first scientists to group organisms,grouped animals according to what way?
Suppose the population of a town is 15,200 and is growing 2% each year. Write an equation to model the population growth. Predict the population after 10 years
Can someone help me with number 3?