Answer:
<em>Marika's calculation is correct</em>
Step-by-step explanation:
<em>Lori has erroneously identified a common ratio of the geometion sequence</em>
<em>one has to divide subsequent term by the preceding term as was correctly by Marika. so Marika's calculation is correct.</em>
<em>hope it helps...</em>
<em>have a great day !!!</em>
75 & 21
Check:
75 + 21 = 96
21 * 4 - 9 = 75
Correct!
Answer: step 2