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

Choose the word that best completes this sentence. A personal fall arrest system is the most ________ type of fall arrest in construction. (1 point) a. Common b
simplify the rational expression -12x^3/x^3-5x^4
The law of original horizontality suggests that rock strata are always layered in a horizontal plane. If rock strata are tilted in some way, a geologic map show
Under which of the following circumstances could a nation go to war under the Kellogg-Briand pact
Which of these resulted from the activities of Senator Joseph McCarthy?
note the polygons and determine the expression that represents the perimeter of each polígnos ??? PLEASE RESPOND MAKING
explain how u can find the volume of composite figures that are made by combining rectangular prisms. tell me the answer plz!!
the adjective of these and those should be used only with plural nouns simple subjects singular subject concrete nouns
please hello me I'm confused about this
Which of the following is not a correct description of the graph of the function y = -2x - 7? (A) The graph of the function contains the point (−2, −3), and whe