Mathematics, 02.03.2021 17:10, mhzperfect

There are only blue cubes, red cubes and yellow cubes in a box. The table shows the probability of taking at random a blue cube from the box.
Colour
blue
red
yellow
Probability
0.4
The number of red cubes in the box is the same as the number
of yellow cubes in the box.
a) Complete the table.
(2)
There are 30 blue cubes in the box.
b) What is the total number of cubes in the box?
(2)

Answers: 2

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There are only blue cubes, red cubes and yellow cubes in a box. The table shows the probability of...