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

What is the simplified form of 3abc/abc, when abc does not equal zero? Explain using the properties of real numbers.
the email program shipped with Microsoft office
Why are Americans considered to be an “ideologically homogeneous” people?
what's the relationship between 0.5 and 0.05
what is 1/6 in decimal
What should prewriting help a writer do
a bridge is 500m long. A 100m long train crosses it at a speed of 30m/s. Find the time taken by the train to cross it.
measure the amount of space an object takes up
Elevation refers to the ?
complete the standard form of the equation -4y=3-2y.