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

B. 14.7 kg,,, That's the big hint right there....(So to find our Ari's 2nd expedition, Ari's second expedition = (total of Chelsea's 1st and 2nd expedition) - Ari's 1st expedition)

Answer 2

0.0

Answer 3

i explained it perfectly

Answer 4

ya

Answer 5

np

Answer 6

yes, you did.. but I'm afraid that if you follow your own instructions, you'll get a different answer from the answer that you posted :)

Answer 7

?

Answer 8

right^

Answer 9

let's do it step by step: Sum of chelsea's expedition: 16.5 +14.7 = 31.2

Subtract ari's 1st expedition for that: 31.2 - 13.9 = 17.3

Answer 10

lol

Answer 11

it's not 14.7

Answer 12

yeah it is

Answer 13

31.2- 13.9 is 14.7? O.o

let's check again :