According to the graph, how much MORE does it cost to mail an overseas letter weighing 4.1 ounces than a letter weighing 3.5 ounces?

Darryl borrowed a truck to move his belongings and recorded some information in a log. He recorded an initial odometer reading of 37,271 miles, and a final reading of 37,879 miles. He also recorded that he used a total of 47.5 gallons of gasoline.

What average number of miles per gallon did the truck get?

If a customer purchases a sweater at its regular price, he or she may purchase a second sweater at a discount of 50%. The discount is taken from the lower-priced sweater.

Hayden bought two sweaters whose regular prices were $40 and $60. After the discount, how much did Hayden pay for the two sweaters?

If 2x + 32 = 6x, what is the value of x?

Hazel bought a pre-owned truck from East End Motors. The truck cost $6250, and Hazel made a 10% down payment on it.

What was the balance Hazel owed after making the down payment?

A carton of paper weighs 13 kilograms, and a box of file folders weighs 8.5 kilograms. A truck was loaded with 9 cartons of paper and 24 boxes of file folders.

What was the total weight, in kilograms, of the cartons of paper and boxes of file folders loaded onto the truck?

Cassandra, the sales manager at a jewelry store, receives a commission of 30% of her sales. In addition, she receives a commission of 4.5% of the total sales of other salespeople under her supervision.

If Cassandra sells jewelry worth $2250 and her sales staff sells jewelry worth a total of $6800, what is her total commission in dollars?