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

What is the ph of a solution made by combining 157 ml of 0.35 m nac2h3o2 with 139 ml of 0.46 m hc2h3o2? the ka of acetic acid is 1.75 × 10-5?

(The average of five consecutive integers starting from m) - (The average of six consecutive integers starting from m) is?

What is one question that an adverb answers? A. How many? B. Which one? C. How much? D. What kind?

solve(3/4x=1/5, x=_)

(05.05)The coordinates below are the three vertices of a rectangle. Identify the fourth coordinate and the area of the rectangle. A coordinate plane with the

What is the primary rhetorical device used in this sentence to enhance the meaning and tone of the passage? "Let every nation know,whether it wishes us well or

someone help me plz.

In aqueous solution, globules of up to several thousand amphiphilic molecules arranged with the hydrophilic groups on the surface and the hydrophobic groups bur

Using Euler’s Formula (F + V = E + 2), find the number of edges. Faces: 25 Vertices: 17 Edges: ?

To kill a mockingbird "explain a character problem and then offer advice on how to solve it