B. At the beginning of the month Kiran had $44 in his school cafeteria account. Use a variable to represent the unknown quantity in each transaction below and write an equation to represent it. Then, represent each transaction on a number line. What is the unknown quantity in each case?
1. In the first week he spent $26 on lunches. How much was in his account then?
2. Then he deposited some more money and his account balance was $28. How much did he deposit?