Question

A bag contains only pink sweets, white sweets, green sweets and red sweets.

The table gives each of the probabilities that, when a sweet is taken at random from
the bag, the sweet will be green or the sweet will be red.

Answer 1

Below

Explanation:

Since : .35 x = 28 Given ( where x = total sweets)

x = 80 sweets total

28 are red ( given ) then 02. * 80 = green = 16

80 - 28 - 16 = 36 remaining

and are divided between pink : white in ratio of 2:1

pink are 2 out of (2+1) = 2/3

2/3 * 36 remaining = 24 pink

then 12 are white