A)Caitlyn buys 2.5 dozen sandwich rolls and 1.25 dozen dinner rolls. She also buys 1.2 times as many hamburger buns as she does sandwich and dinner rolls combined.

How many dozens of hamburger buns does Caitlyn buy?

Enter your answer in the box.
dozen

B) Kim bought 1.5 pounds of American cheese that cost $4.50 per pound. She also bought 1.75 pounds of Swiss cheese that cost $4.80 per pound.

How much did Kim spend in all?

$9.30
$11.55
$15.15
$21.60