MA-923

Direct proportion

Lower Sec Maths · Secondary 2 · Hard · Direct proportion

There are 18 red beads and

y

blue beads in a box. The probability of picking a blue bead at random is

\dfrac{3}{5}

.

(a) Find the value of

y

.

(b) How many more blue beads must be added so that the probability of picking a blue bead becomes

\dfrac{2}{3}

Loading problem…