Which of the following expressions could give the total amount of a $45 restaurant bill with a 15% tip added on?

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?

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal