ilovelizah ilovelizah

02-12-2016
Mathematics

contestada

when a number is decreased by 10% of itself, the result is 171. what is the number?

Respuesta :

bartdrinksmalk bartdrinksmalk

02-12-2016

For some number [tex]x[/tex], we subtract [tex]0.1x[/tex] and get 171.

So we have:
[tex]x-0.1x=171[/tex]
[tex]\rightarrow 0.9x=171[/tex]
[tex]\rightarrow x=190[/tex]

Answer Link

Otras preguntas

Natasha is watching a movie and talking to her friend. right now her brain is:

Read the following poem by Emily Dickinson. Hope is the thing with feathers, That perches in the soul, And sings the tune without the words, and never stops at

The expression 0.07x + (x - 300) models the final price of a television set with an instant rebate in a state that charges a sales tax. The sales tax is on the

Lucy is thinking of a number. the number is greater than two hundred twenty-five. her number is less than 2hundred, 2 tens,7 ones. what is lucy number? howq do

Tina and Zion earn $38 per week for delivering newspapers. Tina worked for x weeks and earned an additional total bonus of $15. Zion worked for y weeks. Which e

To find 12x13, I double 13 and halve 12 and then multiply

Psychologists and psychiatrists do not both prescribe antidepressant drugs

HELP ASAP! I need these 3 to pass & I'm confused on them 1.Which of the following shows the most effective dialogue ? - John, you are ill; we have to get yo

Why would a social worker help a homeless man find ways to learn how to type and prepare a resume?Social workers usually have a degree in English for situations

why do authors use tension in a story