Huracan Huracan

25-02-2016
Mathematics

contestada

after increasing by 30% it became $520?

Respuesta :

apologiabiology apologiabiology

25-02-2016

so from 100% you increased it by 30% to become 520
130%=540
percent means parts out of 100
130%=130/100=1.3
1.3 of whole=520
divide both sides by 1.3
whole=400

the number was 400

Answer Link

cactussky cactussky

25-02-2016

This can be expressed by the equation 520 = 1.3x
So, we divide 520 by 1.3 and get 400 :)

Answer Link

Otras preguntas

Inspectors for a hospital chain with multiple locations randomly select some of their locations for a cleanliness check of their operating rooms. The inspectors

Which of these terms best describes the official foreign policy of the United States at the start of World War II in 1939?

martin paid after-tax premiums for a long-term disability plan through his employer, after an illness, he retired in december 2019 at age 62. he elected to dela

what is a probable reason that a trait skips a generation?

Which statement is an opinion? You could make a telephone call on it. A child couldn't afford the expensive price tag. It has high quality camera and video came

Identify the terms in the expression 70 – (4 • 15).

In which pair do both decimals represent rational numbers?

How many total atoms are present in the compound: Mg(OH)_2

is it okay to laugh for like no reason? I would just stare at a object and laugh till I cry- Like if someone is hurt real bad ill laugh- I laugh at the wrong ti

How many elements are present in the compound Na_2S_2O_3