Mr. ford drove 224 miles in 4 hours. at what rate of speed did he drive?
mr. liston bought lunch for $12.80. he gave the waiter a tip of 15%. how much money did the waiter receive?
a: $1.28
b: $1.92
c: $2.56
d: $3.84
show

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.

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?