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.
14.7 kg

C.
17.3 kg

D.
2.6 kg

Answer 1

@sugarplum15

Answer 2

Sorry not good in Math, sorry :/

Answer 3

its fine

Answer 4

I can try

Answer 5

http://openstudy.com/study#/updates/5548d3c8e4b098ad7acba04a
here is a link and it gives answer and explanation.

Answer 6

did that help?

Answer 7

yes thanks