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

why is the chemical energy of a battery potential energy and not kinetic energy?
what number is half way between 13 and 37
level of body organization occupied by a bone
san buenaventura how might california history have been different if the missions were not established
What is 2/5 of 500? Please help
Smith sold 4/5 of his DVDs and purchased 10 more. If Smith has 15 DVDs now, how many DVDs did he have to begin with?
How do I round 8,831.25 to the nearest cubic unit? Someone help.
Mary Ann buys 4 2/5 pounds of bananas. She uses 1 and 1/2 pounds making banana bread. How many pounds does she have left?
the library is 0.96 mile away from theo's home. write this distance as a fraction in simplest form.
You have been cleaning diesel dispensers for 35 minutes. You have completed 6 dispensers. How many minutes has it taken you to clean 1 dispenser