If it takes him 90 minutes to read 5 and a half chapters, it would take him 16.36 minutes to read one chapter.
[tex]\begin{gathered} C=\text{ 72000 + 18x} \\ R=\text{ 27x } \\ \\ R\text{ }
Therefore, the company loses money if it sells less than 8000.
The answer is D.
Answer:
41.67 kg
72 books
Step-by-step explanation:
mass of 150 books = 150/108 × 30 kg
= 41.67 kg
number of books = 20/30 × 108 books
= 72 books
4x+19=7x+16
4x=7x-3
-3x=3
x=1
1. 3n + 4
3(6) + 4
18 + 4
22
2. N/2 - 1
6/2 - 1
3 - 1
2
3. 15 - n
15 - 6
9
4. n² - 5
6² - 5
36 - 5
31
5. 9(N-2)
9(6-2)
9(4)
36
6. 4n / 3+1
4(6) / 4
24 / 4
6
7. 2(18-n)
2(18 - 6)
2(12)
24
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