willbraydenstep220il willbraydenstep220il

05-01-2018
Mathematics

contestada

A teacher asks a student to find 5/4 of a number. Instead, the student finds 4/5 of the number. Her answer is 36 less than the correct answer.

What is the correct answer?

Respuesta :

aroshiayub aroshiayub

05-01-2018

5x/4 - 4x/5 = 36
25x/20 - 16x/20 = 36
9x/20 = 36
9x = 720
X = 80

Answer Link

Otras preguntas

what does imperialism mean?

Can the sum of two mixed numbers be equal to 2 ? Explain why or why not.

Dirk Nowitzki of the Dallas mavericks scored 44 points in a recent basketball game. He scored no 3-point shots, but made a number of 2-point field goals and 1-p

a rectangle has an area of 30 square meters and a perimeter of 34 meters. what are the dimensions of the rectangle?

Social needs are acquired through?

Three friends go bowling the cost per person per game is $ 5.30 the cost to rent shoes is $ 2.50 per person.Their total cost is $ 55.20 how many games did they

ray wants the larger of two aquariums.One aquarium has 20 in. by 20 in. and has a height of 18 inches.The other aquarium has a base that is 40 in. by 12in. and

What is the smallest multiple of 6 and 10

How does latitude affect climate

Hello. For my french class I have to write a letter to my french friend. In this letter I have to talk about spending my holiday at his house. (for example: wha