Solving problems involving mixed operations

Leo has $4,552.08 in his bank account. He deposits another $875.50, and then withdraws $300 in cash. How much is left in his account?

Jenny's classroom is in the shape of a square. The total perimeter of the classroom is 87.2 feet. To find the length of one wall, Jenny divides the total perimeter by the 4 walls. What is the length of one wall?

The colored pencils cost $3.25. I pay with $5. How much change should you get back?

Stacy was planning a 2 week backpacking trip. She needed to make sure her backpack weighed as little as possible. The first time she weighed her backpack, it weighed 21.5 pounds. She was able to remove 5.94 pounds. How much does her backpack weigh now?

(a)  

The table shows the prices of some breakfast items at a restaurant. Sara ordered 2 eggs, a slice of bacon, and a glass or orange juice for breakfast. The sales tax for the order was $0.48. She paid for her breakfast with a $10 bill.

How much change should Sara receive from the $10 bill?

A weatherman was measuring the amount of rain two cities received over a week. City A received 3.74 inches while City B received 9.8 inches. How much rain did they get total?

Find the value of x.