Mathematics, 24.10.2021 14:00 sara6689

a total of 600 books were labelled A, B,C and D. Given that 1/4 of the book is labelled A and 3/10 of the book is labelled B. There are 15 books labelled C. Calculate the number of books labelled D.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 20.06.2019 18:04, emmilicious

It costs 4.25 for 1 pound of roast beef. how much will it cost to purchase 2.5 pounds of roast beef? round to nearest cent

Answers: 1

continue

Mathematics, 21.06.2019 13:00, Kazya4

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

Answers: 1

continue

Mathematics, 21.06.2019 14:40, kiasiab17

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Answers: 3

continue

Mathematics, 21.06.2019 17:00, nihadsalim10

Find the roots of the equation below. x^2 - 6 + 9 = 0

Answers: 1

continue

You know the right answer?

a total of 600 books were labelled A, B,C and D. Given that 1/4 of the book is labelled A and 3/10 o...