Aregular mile an hour is 5,280 feet per hour. a knot is

Trigonometry hellllllpppppppp asap

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 the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package