10% of 18 tonnes = 1.8 tonnes
30% of 18 tonnes = 5.4 tonnes
18 - 5.4 tonnes = 12.6 tonnes
Answer:

Step-by-step explanation:
- We first compute the ratio of this geometric sequence.

- We simplify the fractions:

- We deduce that it is the common ratio because it is the same between each pair.

- We use the first term and the common ratio to describe the equation:

<h3>We apply the data in this formula:</h3>

_______________________
<h3>We apply:</h3>

<u>Data</u>: The unknown "n" is the term you want
<h3><em><u>MissSpanish</u></em></h3>
Answer:
307/500
Step-by-step explanation:
Answer --> 75 : 150 : 25
3/10 x 250 = 75
6/10 x 250 = 150
1/10 x 250 = 25
Answer:
$0.25
Step-by-step explanation:
Divide the cost by the amount.

Therefore, the cost of each chocolate bar is $0.25.