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

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

Isaballa went to the movies with several friends. The tickets cost $6.50 each and they spend $17.50 on snacks. The total amount spent was $63. How many people w

Which of the following is not true about the standard error of a statistic? A. The standard error measures, roughly, the average difference between the statisti

Barbara hiked 7 miles from one point point of a mountain to another point before stopping for a break. That is 27% of the entire trip. How many miles in Barbara

What is the purpose of OSHA directives,including enforcement and compliance directives?

You purchase a $30, nonrefundable ticket to a play at a local theater. Ten minutes into the show you realize that it is not a very good show and place only a $1

What mineral is released within muscle cells to trigger contraction?

Solve the equation. -8 = -2p + 2p

What is the kinetic energy of a 8kg cart pushed at a rate of 2 m/s? Help please

How many moles are in 199 grams of CCl4 (molar mass =153.82g/mol)

How do u do this? I have a quiz tomorrow and this is so confusing. Any easier ways to do it?