buddyboii
buddyboii buddyboii
  • 12-02-2018
  • Mathematics
contestada

A) What number is 55% of 40?

B) 75% of what is 42?

Respuesta :

Leroro123
Leroro123 Leroro123
  • 12-02-2018
A. 22 Percent
B. 31.5 Percent

Divide the number by a 100 and multiply by the percentage
Answer Link
articunojaz
articunojaz articunojaz
  • 12-02-2018
A. 22. 40/x=100/55(40/x)*x=(100/55)*x       40=1.81818181818*x       
(1.81818181818) to get x40/1.81818181818=x 22=x x=22

2. 3.51 42/x=100/75(42/x)*x=(100/75)*x       42=1.33333333333*x       
(1.33333333333) 42/1.33333333333=x 31.5=x x=31.5
Answer Link

Otras preguntas

On victor's eighteenth birthday, he decides that he no longer wants to keep a fishing boat he bought from water craft, inc., when he was seventeen. his right to
y=-x^2-10x+24 What is the y value of the vertex?
The sum of 8 and y is less than or equal to 17 .
¿Alguien me puede hacer una cuenta de correo electronico (hotmail) con contraseña ?
This is the chemical reaction that occurs during photosynthesis; identify which of these is a product in this chemical reaction.
Simplify 2(x-4)+7(x+2).
When spending time out doors choose a product with spf of at least
r^3+2r^2-9r-18 simplified expression
Which vector matrix represents the reflection of the vector <-1,5> across the line x = y
who won the 2007 rugby world cup​