Mathematics, 08.04.2021 15:20 MayFlowers

A group of 540 students are required to take a test. Of these, 495 actually take the test, and 45 are absent that day.
(i) Write down the ratio of the number of students who take the test
to the number of students who are absent. Simplify this ratio as far
as possible. [3]
(ii) Of the 495 students who take the test, the numbers of students
obtaining grades A, B, C and D are in the ratio 5 : 14 : 10 : 4,
respectively. Calculate the number of students obtaining each
grade. Explain how you could check that your answers are

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:00, sciencecreation87

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Answers: 1

continue

Mathematics, 22.06.2019 01:00, klysse123

During each minute of a comedy show, carlin laughs 55 times. carlin watches 33 comedy shows every day, and each show is 40 minutes long. how many times does carlin laugh every day due to the comedy shows?

Answers: 1

continue

Mathematics, 22.06.2019 02:00, mahmudabiazp3ekot

Which graph correctly represents the equation y=−4x−3? guys me iam not trying to fail summer school and will offer 40 points for who ever me with the next 3 problems and will give brainlest

Answers: 1

continue

Mathematics, 22.06.2019 02:00, swhorton6

Aladder that is 20 ft. long against the side of a building. f the angle formed between the ladder and the ground is 75 degrees, how far is the bottom of the ladder from the base of the building?

Answers: 3

continue

You know the right answer?

A group of 540 students are required to take a test. Of these, 495 actually take the test, and 45 a...