Marieparra915 Marieparra915
  • 18-11-2014
  • Mathematics
Answered

18 is 45% of what numbet

Answer :

kittymaniac
kittymaniac kittymaniac
  • 18-11-2014
18 is 45% of a number
18 is 45% of x
18 = 45% of x
18 = 0.45 * x

Now, to isolate x, you divide both sides of the equation by 0.45.

18 / 0.45 = 0.45*x /0.45
x = 40

So, 18 is 45% of 40. Hope this helps! :)
Answer Link
kriquier kriquier
  • 18-11-2014
Part/Whole=Percent/100
Part=18
Percent=45
Whole= a variable that we are trying to figure out
so now its 18/x=45/100
Cross multiply and get 
45x=1800
Divide by 45 and get 40. 18 is 45%of 40
Answer Link

Other Questions

115 is 14 of what Please list the steps not just the answer
25 of what number is 40
Which term identifies a type of nuclear reaction A transmutation B neutralization C deposition D reduction
divide 812 to find equivalent fraction
what were National and State Bank policies in the 1830s contributed to
Is 100mm or 1dm GREATER LESS THAN OR EQUAL
gas fills its container A partially B most of the time C sometimes D completely
how many eighty fours are in 672
Which person known as the father of monasticism wrote a book describing the daily schedule of work and prayer for monks A Henry II B Benedict of Nursia C Saladi
What was Ulysses Grants goal at Vicksburg