A test consists of 20 multiple-choice questions plus 10 true-false questions. Barry got 7
1 answer:
Answer:
Step-by-step explanation:
20 + 10= 30
30-7=23
23/30= 76.6 (repeating) %
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Answer:

Step-by-step explanation:
I dont know man you gotta ask a question
10 + 6n = 4 - 4n
I'm just guessing but I'm pretty sure that's it.
I believe the answer is 40
I can help you but what is the operation of math