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

Type 1 paragraph about New Year's Day
Humans have used food to processing to preserve the length of time that food can be eaten. Chemicals are added to the food to reduce bacterial growth, produce l
Does anyone know how to solve this??
Raul can hit a golf ball 26.4 yards.A.J can hit a golf ball 10 timesbas far.How far can A.J hit the ball
Why are the jobs in each region different?
HELP!!! Muscular endurance recommended workout intensities for this course are _______. Select one: a. 40-60% b. 60-85% c. 100% d. 60-90%
What is the lcd of 2/5 and 7/10? 10 80 20 40
sequence of the cell cycle
What policy does your team believe your home state should pursue moving forward? What textual evidence supports this approach?
A student blow up a ballon and places it in a frezzer. What happens to the ballonas it gets cold