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

What is the solution 7tan^3x-21tanx=0
What was the nickname of us gangster charles arthur floyd?
How could you work out the direction that the motor will turn
Describe the effect natural resources, such as oil, should have on an economy in a country.
Which table correctly shows all the sample spaces for tossing a coin to get heads and rolling a number on a six-sided number cube? I think it is Heads 1 Hea
A rectangle garden is 1.25 meters wide and 3.4 meters long. What is the area of the garden
Geometry help please and thank you!
A space shuttle was launched from the Earth to the moon. The average, or accepted, value of the distance of the Earth to the moon is 238,857 miles, but the shut
HELP HELP HELP HELP HELP HELP HELP HELP Which type of population growth is shown in this graph?
You are playing a game called "Will It Float?" In this game, you are given a large, square can of tuna. If you know the density of water, what is the minimal in