oloruntobaladan oloruntobaladan

20-02-2021
Mathematics

contestada

an examination. 30% of the candidates
ailed. If 210 candidatęs passed, how many
Candidates wrote the examination?
1.63 B. 147 C. 210 D. 300 E. 2100

Respuesta :

20-02-2021

Answer: D

Step-by-step explanation:

If 30% failed then (100-30)% passed

That is 70%

let x be the number of students that wrote the exam

(70/100)x=210

x=21000/70

x=300

Answer Link

Otras preguntas

Based on what you've read, answer the following questions. Addition Solve each problem using addition. A list of Addition Equations

Aristocratic medieval women a. in unusual circumstances, could play a major role, as did Eleanor of Aquitaine. b. were totally independent of their men. c. freq

What is the SaaS White Label Solution?

Explain the difference between infectious and noninfectious diseases AND give examples of each!!!

The central thesis of the passage is that class-size reductions: A.can improve academic achievement under some conditions but may not be the most effective way

Suppose that a recent article stated that the mean time spent in jail by a first-time convicted burglar is 2.5 years. A study was then done to see if the mean t

What error in the data is likely to occur if the hydrated salt is heated strongly

Write a paragraph on the topic of 'Importance of Forest in our life'

Which of the following parts of a prokaryote is the part of the cell membrane that is folded in and thought to be used for helping DNA replicate? A. Mesosome B

Find the volume of this sphere. I need help I don’t understand.