FrankWasHere
FrankWasHere FrankWasHere
  • 03-02-2021
  • Mathematics
contestada

Helen got a 95% on her math quiz. She had 38 questions right. How many questions were on the quiz?

Respuesta :

Sus49
Sus49 Sus49
  • 03-02-2021

40  

because 95/100 x 38/1 = 40

Answer Link
sussax1960 sussax1960
  • 03-02-2021

Answer:

Step-by-step explanation:

Set up a proportion

Cross multiply

Divide both sides by 95 to solve for x

95 / 100 = 38/ x

95(x) = 38 x 100

95x = 3800

X = 40 There were 40 questions on the test

Answer Link

Otras preguntas

Ralph paid 660 for a camera at a 60% off sale. What was the original price of the camera?
how do you solve 5/6 ×20
which materials is not a form of pyroclastic material?
what is the gcf of 14a and 28ab.
How many atoms are in 3.50 moles of calcium (Ca)?
Select all that apply. Biogeochemical cycles depend mostly on _____ and _____ for decomposition and the recycling of elements. bacteria fungi protozoa algae pl
What factors made germanys blizkrieg so different from from the tactics used in world war one
which part of the declaration is most clearly an example of pathos
What is the energy conversion that occurs in cellular respiration? A. Chemical energy in glucose is converted to light energy. B. Light energy is converted to
What might South Asia have a large steel industry