TheProdigistList TheProdigistList
  • 21-07-2016
  • Mathematics
contestada

On a test, a student got 80% of the items correct. If the student got 56 items correct, how many items were on the test?

Respuesta :

texaschic101
texaschic101 texaschic101
  • 21-07-2016
80% of what is 56
0.80x = 56
x = 56/0.80
x = 70

check..
80% of 70 is 56
.80(70) = 56
56 = 56 (correct)

so there were 70 items on the test
Answer Link

Otras preguntas

our newly elected Board of supervisor is unable to agree on a leader​
Compared to Barcelona Spain the temperature of Irkutsk Russia is
WILL GIVE BRAINLIEST, HELP!!
how do you know that the answer to a decimal subtraction problem is reasonable​
Use the Quadratic Formula to solve the equation. -2x2 - 5x + 5 = 0 Please help!
Can you get pfiesteria from eating shellfish
Why did the artists of ancient Egypt record details of every day life
At a race track, a car of mass 2000 kg crashes into a concrete wall at a speed of 77 m/s. a. If the car comes to a stop when it this the wall, what is the magni
why does all MY questions never get answered but everyone else's does. bErRy RoOd GuYs >:(=For which main reason did the Normans invade England? A. to cap
how do i do this involving point slope