jeniscool
jeniscool jeniscool
  • 02-02-2018
  • Mathematics
contestada

How would you do this??

How would you do this class=

Respuesta :

Americ
Americ Americ
  • 02-02-2018
x= total number of problems

This is a proportion problem.  80% is to 100% as 32 problems is to x problems.

80/100=32/x
Cross multiply
(80*x)=(100*32)
80x=3200
Divide both sides by 80
x=40

There were 40 questions on the test.

Hope this helps!  :)
Answer Link

Otras preguntas

What letters may be particulary helpful to teach a child first? The letters in the child The letters at the beginning of the alphabet Letters that look similar
What is the volume
8. Why does a virus require a living cell in order to reproduce? O A virus does not contain organelles or cytoplasm. O A virus does not contain a nucleic acid.
What determines if a cat has orange or black fur? Is this found on an autosome or a sex chromosome?
Determine which lines are parallel if _1 = 22. a b 2 оооо a || b c || 0 a || C No lines are parallel.
. On page 1 of the Passage, the speaker in the poem repeats the phrases “O thou whose” and “To thee the Spring." Which statement explains how this repetition he
EXPLICA LA SIGUIENTE FRASE: “LA POBREZA Y LA RIQUEZA SON PARTE DEL MISMO PROCESO”.
Solve for x. Write your answer as “x=__” Don’t put the 8 into equation
Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 0.28 to 0.40
The area in a painting or drawing that have only a few value changes and little detail a. foreground b. middle ground c.background d. edges or other