Yayannarest5er Yayannarest5er
  • 12-11-2016
  • Mathematics
contestada

A test has 20 questions. if peter gets 80 percent correct, how many questions did peter miss?
a. 6
b. 4
c. 2
d. 5

Respuesta :

cricas483
cricas483 cricas483
  • 12-11-2016
20=100%                             
x=80%

[tex]x= \frac{20*80}{100} [/tex]

[tex]x= \frac{160}{100} [/tex]

[tex]x=16[/tex]  correct


20-16=4

answer

4=20%

Answer Link
Аноним Аноним
  • 12-11-2016
the answers b) 4,. hope this helps u
Answer Link

Otras preguntas

500n + 300m - 100 over -100
mountains produced by tensional stress, like the teton range in Wyoming are called?
What is the value of this expression? PLEASE HELP!!!!
In three to five sentences, explain the purpose of informative/explanatory writing.
Which character where introduce in the beginning of freak the mighty
what challenge did the farmers face when setting out to write the constitution
Word Problem!! :) :) Benny has 2 times as many dimes as quarters. If he's got $41.85 worth of dimes and quarters combined, how many quarters does he have? Than
What do islands become once erosion breaks them down?
**PLEASE HELP** Sodium is an explosive metal. Chlorine is a poisonous gas. You would expect a compound made of sodium and chlorine to be A.very dangerous B.very
Momentum is determined by: A. Speed and weight B. Speed and size C. Mass and velocity D. Size and weight