glor3endaniaMikooks glor3endaniaMikooks

01-03-2017
Mathematics

contestada

It takes about 20 minutes to grade a student’s paper. how long, in hours, does it take to grade papers for a class of 25 people?

Respuesta :

Аноним Аноним

01-03-2017

You have to multiply the 20 min by the number of student in the class which are 25. Then take the minutes and devide them by the number of minutes in an hour.

20 x 25 = 500 minutes
500/60 = 8.3333 (round down) 8 hrs

Answer Link

Otras preguntas

A procedure designed to test a hypothesis

The least common multiple of two numbers is 60, and one of the numbers is 7 less than the other number . What are the numbers ? Justify your answer

-3/4 (-4) please provide answer and how to solve it

A bus slams on its breaks and goes from 30 km/hr to 15km/hr in 4 seconds. What is its acceleration?

22/100 in simplest form?

each year Lizzie's school purchases students agenda books, which are sold in the school store. This, the school purchased 350 books at a cost of $1,137.50 if th

solve this proportion: 1/c+5=2/3

Population density is the number of people per unit of area. What is the population density of a state that has 1627260 people in 1490 square miles? Round to th

Describe how the coming of World War II ended the Great Depression. What region of the nation benefited most spectacularly?

.Which of the following is true, based on the scatter plot above? A. There is no relationship between the size of