paulhand8306
paulhand8306 paulhand8306
  • 10-12-2020
  • Mathematics
contestada

A number is decreased by 40% to 525. what is the original amount?​

Respuesta :

Mohed34
Mohed34 Mohed34
  • 10-12-2020

Answer:

875

Step-by-step explanation:

lets assume the original amount X

the new amount = X - ( X × 40% )

525 = (60 × X) ÷ 100

X = ( 525 × 100 ) ÷ 60

X = 875

Answer Link
cunni05881
cunni05881 cunni05881
  • 10-12-2020

Answer:

The number is 875

Step-by-step explanation:

Step One:

Convert 40% to a decimal --> .40

Step Two

525 = n - .40n

(525 is equal to a number minus forty percent of a number )

Step Three

Isolate the variable by dividing each side by factors that don't contain the variable.

N = 875

Answer Link

Otras preguntas

You run straight off a high diving board at a speed of 6 m/sec. You hit the water 2 seconds later. a. How far did you travel horizontally during the 2 seconds?
arrange from least to greatest, 4.3, 5.5, 6 1/6, 15/4, 4 3/8?
What are the solution(s) to the quadratic equation x2 – 25 = 0?
how to solve x-4y=11 and 5x-7y=-10 using elimination
the photo.... (24..)......................
What is the slope and the y-intercept of each equation (1) 12x + 3y = 9 (2) 6x - 2y =2 (3) 2x + 5y = 10 (4) 9x - 3y = -1 (5) 4y + 6x =2 (6) 8y -2x = 5 (7) 5x +
Where should I insert parenthes brackets and braces in this problem 7 times 20 divided by 11-9 +2 divided by 8 to get a total of 9????
What reactions are involved in making plastic bags and what are the molecules that make up a plastic bag like?
how do you divide 455÷9
Why is it important for scientists to be able to remove DNA from an organism? List 2 reasons.