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

Find the area of the figure. Round to the nearest tenth if necessary.
For what values of x will (x, y) be a solution of the system of equations below: y = x2 + 3x -3 2x - 1 = y
enumerate the 2 importance of diffusion and osmosis.
What is 0.00002 in scientific notation?
Griots are ___. 1. storytellers 2. poets 3. musicians 4. All of the above.
Find the value of x.
How is scientific thinking useful in daily life
What is the smallest structure visible with a light microscope?
Which of the following describes a similarity between the Haitian and French revolutions? A. Both ended slavery in their territories B. Both eventually resulted
If AB = 11, BC = 16, and CA = 14, list the angles in order from smallest to largest.