Estimate 16.26+4.169 by first rounding each number to the nearest tenth.

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

How can you check that you have correctly converted frequencies to relative frequencies?