Animaljamdesires2121 Animaljamdesires2121
  • 02-04-2020
  • Mathematics
contestada

A store has sold 90 notebooks, which is 20% of all the
notebooks they had. How many notebooks did the store
have at first?

A) 450
B) 23
C) 108
D) 500

Respuesta :

lycheeboba
lycheeboba lycheeboba
  • 02-04-2020
Answer: 450
Explanation: 20%=20/100=1/5
Multiply 90 by the reciprocal of 1/5 which is 5
90 x 5 =450
Answer Link

Otras preguntas

URGENT NEEP HELP ASAP!!!!!
How would you plot number 10 on a coordinate plane
Which organism can produce the highest number of genetically different gametes?
what are the four main parts of the circulatory system?
How is there snow on mt everest if it's above the clouds?
A dragster runs the quarter mile in 8.96 s. What is the car's velocity (in ft/s) at the finish line?
What questions should a nurse ask when obtaining a health history for a client with a history of chest pain and dyspnea?
Consider the title of the poem. How do the differences between the Statue of Liberty and the Colossus "of Greek fame” (mentioned in line 1) develop the overall
what is the definition of phenotype
Lipids, mainly phospholipids, make up the bulk of the cell membrane. How is the structure of the phospholipid so perfectly paired to the function of the cell m