In class 6, 80percent of the children like crisps.

75percent of the children who like crisps also like chocolate.

in class 6 what percentage of the children like both crisps and chocolate.

80% like crisps
75% of the 80% like chocolate.

What percent of the total are the children who like chocolate and crisps?

75% of 80% = 60%

This 60% of children like chocolate and crisps

(1, –1), (16, –4), (36, –6)

step-by-step explanation:

given that the function is

this can also be written as

we have to graph this function and check which list of points lie on the graph

see attachment for graph:

we find that the points lying are (1,-1) (16,-4) and (36,-6)

since square root is there we find that x can only be posiitve but y can be since square root both positive and negative.