beansromero
beansromero beansromero
  • 02-02-2018
  • Mathematics
contestada

when a number is decreased by 20% of itself, the result is 128. what is the number?

Respuesta :

JackieWilsonFTW
JackieWilsonFTW JackieWilsonFTW
  • 02-02-2018
The number was 160 because 5/4•128=160. 5/4 represents inverting 80% and multiplying it by the number to determine how the result became 128. For checking over all you have to do is do 4/5 or 80%•160 which shall give you 128.
Answer Link

Otras preguntas

Who was Canada's FIRST prime minister.
what was the first industry to be regulated by the united states goverment?                                               a. oil   b.meat packing  c. steel  D.
The data represent the ages of people working at a store. 19, 27, 20, 26, 20, 24, 32, 23, 20, 19, 21 What is the first quartile of these ages?
What type of reaction occurs when you strike a match?
How many union ships did the Virginia sink?
what is 3 2/5 times 2 1/3
Who was Canada's FIRST prime minister.
The ratio of Sam age to Hanks is 5 to 3. If the sum of their ages is 24, how old is Hank?
Convert 79 oz to _____ g Round answer to the nearest whole gram.
Patrick ate 3/5 of a small pizza on Friday night. For lunch on Saturday , he ate 1/2 of the leftover pizza. How much pizza did he eat for lunch on Saturday?