Question

For a geology project, Chelsea collected 16.5 kg of rocks on the first expedition and 14.7 kg on the second expedition. Ari collected the same total kilograms of rocks as Chelsea did, but he collected only 13.9 kg on the first expedition.



How much did Ari collect on the second expedition?









A.

31.2 kg








B.
2.6 kg







C.
17.3 kg







D.
14.7 kg