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

5x + 7/x^2-2x-8 - 2x+19/x^2x-8
2+2+2×644×300? I known if u use a. Caculatuer u cheat and lose. I cant give the answer tell its rigth dont copy. Someone eleses ansewer state ur answer in your
HELP ALGEBRA 2 let f(x)=x-3 and g(x)=x^2 Find f(g(4))
Todd currently has $5,000. what was the value of his money four years ago if he's earned 4 percent interest each year? $4,274.02 $4,113.51 $4,109.64
A 95% confidence interval for a population mean is determined to be 100 to 120. if the confidence coefficient is reduced to 0.90, the interval for μ
1. What do you think of Jonas’s community? What words might you use to describe it? Give reasons for your answers.
What should you consider when evaluating your writing for word choice?
What minimum concentration of cl− is required to begin to precipitate pbcl2? for pbcl2, ksp=1.17×10−5?
You friend show you a coin collection, 42/50 of the coin are quarter. what percent of the coins are quarter
help me with this problem