alyssavalerie3 alyssavalerie3
  • 25-08-2020
  • Mathematics
contestada

The ratio of adults to children on a train in 7:2. There are 245 adults on the train. Find the total number of people on the train?

Respuesta :

locusgoat121 locusgoat121
  • 25-08-2020

Answer:

315 people

Step-by-step explanation:

Using the given ratio, we can figure out the number of children on the train by doing cross multiplication.

Let x = # of children on train.

7/2 = 245/x

7x = 490

x = 70 children

The total number of people = 70 + 245 = 315 people total

If you would like more help on math or other subjects for FREE, check out growthinyouth.org.

Answer Link

Otras preguntas

The weight of 10,000 identical samples of a substance is 1 pound. What is the weight of 10 samples?
what is the purpose of operons in prokaryotics?
which is greater 6 km or 54,000 mm
how did herbert hoover earn the nickname “the great humanitarian?”
In "A Poison Tree," what does the tree represent? A. the speaker B. the speaker's appearance C. the speaker's foe D. the speaker's anger
ratio of x and 2 is not greater than 14
Which of the following would have the greatest impact on the survival of a population of zebras in Africa? a. appearance of tourists b. climate change c. dust s
simplify please remind me how to sole these -1+5(6-y)
How did urbanization, technology, and social change affect the north?
Which means of delivering mail went out of business in 1861 after the completion of the transcontinental telegraph? A. stagecoaches B. U.S. Postal Service C