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

According to your text, the latin word "persona" means:
Review the constitutional grounds on which each side based its arguments and the specific arguments
Dr. kong does a study in which he finds that smoking is correlated to an increased risk of high blood pressure. he publishes his results. then dr. meco does the
Assuming that the solute consists entirely of nacl (over 90% is), calculate the osmotic pressure of seawater at 20∘c.
In the development of the first civilizations what was gained for humankind and what was lost
The scientific revolution challenged traditional christian beliefs because it
Please guys help me please
To adequately prepare for a speech, you just have a minimum of __________ __________ dress rehearsals
what cellular components do some bacterial cells have that make them powerful pathogens ?
Frozen water has less density then liquid water how does this property of water affect life on earth