Rational Number Operations Practice

Bob had -$25 in his bank account. He deposited the $70.50 he received for his birthday. Then, he spent $38.25 on a pair of shoes. How much money is in his account now?

Sarah and her 4 friends visit an amusement park. Each person buys 4 tickets for $6.25 per ticket. Three of them buy popcorn for $3.50 each. Sarah gets a pretzel for $2.75 and another friend buys nachos for $4.25. Everyone also buys a bottle of water for $2.00 each. What is the total amount they spend at the amusement park?

A diver is at 85.6 meters below sea level. He descends another 28.4 meters and then ascends 40.2 meters. What is his final depth?

A cat is perched on a wall 2.5 meters above the ground. A rabbit is hiding in a burrow 7 meters below the ground. What is the distance between the cat and the rabbit?

The height of a plant increases by 9.5 inches over 3 $$\frac{1}{2}$$ days. What rational number represents how much the plant's height changed each day?

Starting at sea level, a scuba diver dove $$2\frac{1}{4}$$ feet into the water, and then dove another $$4\frac{1}{6}$$ feet. What is the diver's elevation now?

How many $$\frac{3}{8}$$ cup servings of beans are in $$7\frac{1}{2}$$ cups of beans?

Mr. Carter is making six loaves of bread. He needs $$1\frac{3}{4}$$ cups of sugar for each loaf. If he starts with a container that holds 15 cups of sugar, how many cups of sugar will remain after he finishes baking?

The student council organized a charity event and raised $320.75 from ticket sales and received $79.50 in additional donations. If the total amount is to be distributed equally over 8 months, how much money will be available each month?