hamzamessageroutlock hamzamessageroutlock

17-07-2018
Mathematics

contestada

The average height of a class of 18 students is 105 cm After arrival of 7 new students the
average decrees by 5 cm. Find sum of height of all the students of the class.

Respuesta :

Аноним Аноним

17-07-2018

Total number of students = 18 + 7 = 25

Average height of the 25 students = 105 - 5 = 100 cm

Sum of height of all students = 100 x 25 = 2500cm

Answer: 2500cm

Answer Link

Otras preguntas

Which committed the United States to the anticommunist policy of containment? Warsaw Pact Truman Doctrine Western Bloc Marshall Plan

The ethnic heritage of Australia is most closely tied to which country? Spain Great Britain Japan France

The ethnic heritage of Australia is most closely tied to which country? Spain Great Britain Japan France

Who did Thomas Jefferson accuse of tyranny in the Declaration of Independence? A. Thomas Paine B. Marquis de Lafayette C. John Locke D. King George III

When an organization is described as having a humanitarian purpose, its goal is understood as

what is the policy of obtaining and occupying colonies to form an empire

Oil flows upward in the wick of a lantern because of the liquid property called A. density. B. meniscusity. C. viscosity. D. capillarity.

Which word in the sentence is the participle? My dog, a restless beagle, barked at the sleeping cat. A. barked B. beagle C. restless D. sleeping

Which approach is most likely to convince a reader that your viewpoint is valid?

Which statement supports the argument that tomatoes are a preventative for many types of cancer?(Points : 4) Tomato peels are loaded with both vitamins an