kawaiiunicorn0228 kawaiiunicorn0228
  • 20-11-2018
  • Mathematics
contestada

Marissa got a 75% on her quiz. She had 30 questions correct. How many questions were on the quiz?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 20-11-2018

questions * 75 percent = 30 correct

question * .75 = 30

divide by .75 on each side

questions = 30/.75

questions = 40

There were 40 questions


Answer Link
sadieliz sadieliz
  • 20-11-2018
40

Think of it this way

If it is 75% and there is 30.

75 divided by 3 = 25

So 10 questions is 25%

75 + 25 = 100

So 30 + 10 = 40
Answer Link

Otras preguntas

Seaweed is used to make many products - name five.
What is the name of the biggest part of the human brain?
A clock gains 4 minutes every hour. One day it is set to the correct time, 9:00 AM. What is the correct time when the clock shows 1:00 PM that afternoon?
Lines l, m, and n are parallel. What is the value of x?
We begin our studies of the media with the Renaissance Period. Why? because Gutenberg's printing press laid the foundation for mass media communications because
what do you understand by a noun
Who brought the first American settlers into the Mexican territory known as Texas in 1821? A. Joseph Smith B. Stephen Austin C. John Tyler D. James Polk
2. Which organelle acts like the “brain” or control center of the cell?
The first English settlements were failures--it was not until tobacco was discovered as a cash crop and strong administrators took advantage of the economics. T
What is one negative effect that predators have on a prey population? A. Predator populations will stay consistent regardless of the prey population. B. The pre