A survey on the food preferences of pupils at a school found that 70% of the pupils like pears, 75% like oranges, 80% like bananas and 85% like apples. what is the smallest possible percentage of pupils who like all four of these fruits?

A at least 10% B at least 15% C at least 20%

D at least 25% E at least 70%.

Question

A survey on the food preferences of pupils at a school found that 70% of the pupils like pears, 75% like oranges, 80% like bananas and 85% like apples. what is the smallest possible percentage of pupils who like all four of these fruits?

A at least 10%   B at least 15%   C at least 20%

D at least 25%    E at least 70%.

cwrw238 · Answer

i'm not very good at this type of question - i have no idea how to do this one.

anonymous · Answer

Draw a Venn Diagram, and look at it that way. It might help.