jaiquancharles jaiquancharles

07-11-2020
Mathematics

contestada

In school the ratio of the number of pupils to the number of teachers is 20:1 of the number of pupils is 840 how many teachers are there

Respuesta :

virtuematane virtuematane

07-11-2020

Answer:

Step-by-step explanation:

Given ration of pupils and teachers =20:1

Let the no. Of teachers =X

So no.of pupils =20X

No.of pupils=840

20X=840

X=840/20

X=42

No.of teacher =X

=42.

Answer Link

Otras preguntas

[02.01 MC] The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated

What’s the forecasted capital expenditure based on the information below? Net PP&E beginning of period: 15,000 Net PP&E end of period: 17,500 Depreciati

18. The numbers of roses, sunflowers and tulips a f florist has are in the ratio 5:6:9. After the florist sells 50 roses, the ratio becomes 3:4:6. Find the num

What is one way that "The Maori: Genealogies and Origins in New Zealand” contrasts with "The Raven and the First Men: The Beginnings of the Haida”? The Maori my

How do you write 0.00148 in scientific notation?

How do the forms of Government in china differ from the forms of government in costa rica in their level of citizen participation?How do the forms of Government

Tasha runs a daycare center. She places birthday hats on a group of children to celebrate 1-year-old Chantal’s birthday. Tasha notices that when Chantal passes

Given that cos(theta) = -2 radical 5/5, and is in Quadrant II, what is cos(2theta)?

______ bacteria are more susceptible to antibiotics, antibodies, and phagocytes than bacteria in biofilms.

An unknown mass of Na2O (molar mass=61.979 g/mol) was dissolved in enough water to create a 150.0 mL stock solution. A 5.00 mL sample of the stock solution was