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

Find the common ratio for the following sequence. 0.1, 0.01, 0.001, ... 1 0.1 0.01 0.001
Which of the following was most detrimental to Justinian's Empire? a. the Justinian Codes b. attacks from African forces c. Justinian's military campaigns d.
Find the sides of an isosceles right angled. tringleof hypotenuse 4 root 2
What status have immigrants who come to the United States legally to work and live permanently obtained? a. full citizenship status b. temporary resident stat
What currents are responsible for powering the movement of tectonic plates ? A. Platonic B. Tectonic C. Convection D. Plutonium
a spider and tick evolved from the same ancestor, the fact that they evolved into different organisms, how can that be explained by?
Which term describes a society that has been radically changed by technology? a. postindustrial b. postmodern c. preglobal d. pretechnological
The Northwest Ordinance of 1787 established a model for later settlement by providing for the
Solve. Q - 7 5/6 = 6 1/2
what is mamaji talent