If you would like to know how many pounds can Jake's father carry, you can calculate this using the following steps:
6 1/4 = 25/4 pounds of wood
15/7 * 6 1/4 = 15/7 * 25/4 = 375/28 = 13 11/28 pounds
Result: Jake's father can carry 13 11/28 pounds of wood.
