A 115 volt power transformer has 320 turns on the primary. if it delivers a secondary voltage of 12 volts, how many turns are on the secondary? (hint: direct proportion)

Find the value of the variable and the length of each secant segment.

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.

If jaime wants to find 60% of 320, which table should he use?