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

design an experiment to determine whether the pink flowers of petunia plants result from incomplete dominance
Once the Gulf Stream reaches the far north, what happens next? It cools and flows away from the pole, causing cooler climates farther south. It circles the pole
A chef fills a 50mL container with 43.5 g of oil. What is the density of the oil?
_____ established plantations on islands off the coast of Africa.
adam Smith is the author of what influential book?
To make sure I don't turn in an assignment what misspelled words I
Select the best analogy. domus : domicile :: A. genus : genocide B. pater : pacific C. familia : feminism x D. vestes : virile (x means I eliminated it. .-.)
Rhee and Pamela are two of the 5 members of a band. Every week, the band picks two members at random to play on their own for five minutes. What is the probabil
there are 160 students in the band if there are 100 boys what is the REDUCED ratio of girls to boys?
35tens = _hundred_ tens