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

What subfield of mathematics requires the most spatial reasoning? No answer needed, just need to get rid of all my points.

What factors contribute to the comparative advantages of countries?

What does insane mean in your own words?

A list of the weaknesses of the new government under the Articles of Confederation

Answer multiple choice questions

Find the Slope, Midpoint, and Distance for the coordinates (3, 9) and (5, 0).

If a ball that is freely falling has attained a velocity of 19.6 m/s after 2 seconds, what is its velocity 5 seconds later?

In a telephone poll, 14 people said they like shopping and 22 people said they do not like shopping. What is the ratio of the number of people who like shopping

I need some help with this math question

25x²+0x-1 Factor completely Please provide an explanation if able