julieortiz57 julieortiz57

18-10-2018
Mathematics

contestada

If Sarah reads at an average rate of 21 pages in four nights, how long will it take her to read 140 pages?

Respuesta :

mathstudent55 mathstudent55

18-10-2018

Answer:

26 2/3 nights

Step-by-step explanation:

You can use a proportion.

21 pages is to 4 nights as 140 pages is to x nights

21/4 = 140/x

21x = 4 * 140

3x = 4 * 20

3x = 80

x = 80/3 = 26 2/3

Answer Link

Otras preguntas

how do you find the total length of a rectangle?

What do religions believe happens after death?

what's the square root of 9

If f(x)=2x-5, find x when f(x)=13this is function notation

find value of x and y 2.) 4x+13y=40 4x+3y=-40

You want to produce a scale drawing of your living room, which is 21 ft by 28 ft. If you use a scale of 5 in. = 7 ft, what will be the dimensions of your scale

Help answering this question with detailed work please

Anne is 2 years older than betty.Last year ann was 2 times as old as betty.How old is ann?

which of the following expressions is equivalent to 20 - 4/5 x > (the > has a line under it) 16?

The average speed of a plane is 560 kilometers per hour. How long does it take the plane to travel 140 kilometers?