rjejfjdjdjdj rjejfjdjdjdj

03-04-2018
Mathematics

contestada

Barbara answered 72 questions correctly on her test. If her score on the test was 80%, how many questions were on the test?

Barbara answered 72 questions correctly on her test If her score on the test was 80 how many questions were on the test class=

Respuesta :

bezruchukp6kuuz bezruchukp6kuuz

03-04-2018

Answer is B - 90
-----

Answer Link

Bladerunner1976 Bladerunner1976

03-04-2018

For a percentage question setup is like this:
part = percentage * whole

part = 72
percentage = 80% = 0.8

72 = 0.8 * whole
whole = 72/0.8 = 90

Answer Link

Otras preguntas

Determine the point estimate of the population mean and margin of error for the confidence interval. Lower bound is 16, upper bound is 28 in statcrunch

On a test, Summer got 12 multiple choice and 4 constructed response questions correct. Summer scored 8 points more than Kerry who got 10 multiple choice and 3

HELP !!! how did land play a role in the patroon system?

Why would you say it's important to have a happy ending in ""formula fiction"" (like ""A Secret Sorrow"")?

A triangle has two equal side and a third side that is 15 cm long. If the perimeter is 50 cm, how long is each of the two equal sides?

A closet contains four pairs of shoes. If four shoes are chosen at random, what is the probability that the chosen shoes do not contain a pair?

Which of the following is a complex number?

Sometimes a database can contain "bad data," meaning incomplete, incorrect, inaccurate, or irrelevant records, which can be corrected or deleted through data cl

??????? ????????????,?,??????

Which animal introduced by European traders changed the lifestyles of American Indians living on the Great Plains? A. llamas B. horses C. dogs D. guinea