Paul has a job raking leaves for a neighbor. He makes $6.40 an hour, plus $0.30 for each bag he fills. Last Saturday he worked four hours and made a total of $26.20. How many bags of leaves did he fill?
Let number of bags filled be B
Then we get: 4(6.4) + .3B = 26.2
25.6 + .3B = 26.2
.3B = .6
B, or number of bags filled was: