Workkeys Math Practice Test 2026 – The All-in-One Guide to Mastering Math Skills for Exam Success!

To find the total hours worked by the contractor, you need to add all the hours reported over the four days. Each of the reported times is given in a mixed number format.

First, let's convert each mixed number into an improper fraction or a decimal for easier addition. The mixed number 4 1/4 can be expressed as 4.25 in decimal form, 3 1/4 is 3.25, 7 1/4 is 7.25, and 5 1/4 is 5.25.

Now, add these numbers together:

4.25 + 3.25 + 7.25 + 5.25

Calculating this step by step:

1. Adding the first two:

4.25 + 3.25 = 7.50

2. Adding the next:

7.50 + 7.25 = 14.75

3. Finally, adding the last one:

14.75 + 5.25 = 20.00

Now, the total hours worked amounts to 20.00 hours. This indicates that the addition of the mixed numbers was carefully done, arriving at a total