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

pls help have absolutely no clue how to delete this

I will give brainiest to whoever answers correctly !! Please do not steal my points I'm tired of it put a legit answer or leave!! I will give brainiest to whoev

A.Fill in the blank with the correct affirmative or negative word. 1. No me gusta el arte. voy al museo. 2. Hay en mi mochila. Es mi lápiz. 3. No hay en la escu

HELP I WILL MARK YOU THE BRAINLIEST Based on what you learned in the lesson, what effect did technological innovation have on World War I? Use specific examples

40% of the sandwiches on a lunch platter are ham. If there are 8 ham sandwiches, how many sandwiches are on the lunch platter in all?

How did the Roman Catholic Church impact life in Europe during the Middle Ages?

. A frog’s heart has ___________ chambers. Two atrium and _____ ventricle.

1. A force of 75 N is exerted on a 45 kg sofa, and the sofa is moved 5 m. How much work is done moving the sofa?

Which is not transported by the circulatory system? a. carbon dioxide b. water c. blood cells d. oxygen

classify the sentences based on the chemical reactions they describe.