Question 109359
What percent of 1,000 is 150?

{{{(x/100)1000 = 150}}}…….cancel two zeros in {{{100}}} and {{{1000}}}

{{{x*10 = 150}}}…divide both sides by {{{10}}}

{{{x = 15}}}%


46 is 20% of what number?

{{{(20/100)x = 46}}}…….on left side {{{20/100}}} divide both numbers by {{{20}}} and you will have {{{1/5}}}

{{{(1/5)x = 46}}}…….multiply both sides by {{{5}}}

{{{(1/5*5)x = 46*5}}}


{{{x = 230}}}


What is 0.8% of 1,778

{{{(8/100)1778 = x}}}…….divide {{{8}}} and {{{100}}} by {{{4}}}

{{{(2/25)1778 = x}}}……

{{{0.08* 1778 = x}}}

{{{x =  142.24}}}


If there are 470 students in the class and 40% of the class are males, how many males are in the class?

{{{470}}} students

{{{40}}}% of the class are{{{ males}}}

{{{(40/100)470 = x}}}…….

{{{0.4*470 = x}}}…….

{{{x = 188}}}…………. There are {{{188}}}{{{ males}}} in the class

During a sale, a television that usually sells for $900 is on sale for $ 765. What is the percent decrease in price?

{{{(x/100)900 =765}}}…….

{{{x*9 =765}}}…….

{{{x*9 =765}}}…….
{{{x = 85}}}%

Then decrease is {{{100 – 85= 15}}}%