Callummorgan2007 Callummorgan2007
  • 22-12-2020
  • Mathematics
contestada

mark got 14 problems wrong on the test. his score was 72% correct.how many problems were on the test

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 30-12-2020

9514 1404 393

Answer:

   50 problems

Step-by-step explanation:

The percentage wrong was  100% -72% = 28%. Then the number n of problems on the test was ...

  14 = 0.28·n

  n = 14/0.28 = 50

There were 50 problems on the test.

Answer Link

Otras preguntas

with practice a student can improve his or her reading rate by _ words per minute
what is the value of x1/2x+6x+90=12​
Which product (if any) will form a precipitate in the following reaction? Cu2SO4(aq) + BaCl2(aq) → 2CuCl + BaSO4 BaSO4 No Precipitate Formed caci Cu₂50 W
6. In any parallelogram ABCD, it is always true that the measures of ZABC and ZBCD: F. add up to 180° G. add up to 90° H. are each greater than 90°. are each 90
Which syllables should Amber highlight? Select three options. And of- -ten is his gold com-.
will mark brainlyest
Classify the angles in the figure by choosing the correct term from the choices below. A) supplementary B) complementary C) vertical D) none of these
Which sentence correctly uses the word prose?
Thaddeus shakes his head as he pays $12.37 to the clerk for lunch. Complaining to a friend, Thaddeus says, “Do you realize that is 0.2% of my monthly income?” H
Compare and contrast the sense of smell and the sense of touch.