Answer:
4
Step-by-step explanation:
(3, 1), (9, -1), (7, -4), and (1, -2)
(-1, 3), (5, 1), (3, –2), (–3, 0)
+4 +4 +4 +4
(3, 3), (9, 1), (7, -2), (1, 0)
-2 -2 -2 -2
(3, -1), (9, -1), (7, -4), (1, -2)
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20
This sequence follows a pattern of doubling then subtracting by two. The last action was 12 to 10, which is subtracting by two, so the next must be multiplying by 2.
Answer: 30:5
Five levels were beaten so thirty levels are left so whats left to what’s beaten is 30:5