Its 27 all you do is
81 x1
3x27
135x1
5x27
which leads to =27
If lauryn has purchased 4 books you have to do (2x-12)^4. Expand it to: (2x-12)(2x-12)(2x-12)(2x-12) multiply together. Then solve for x. If you need more help let me know.
<h3>Answer:</h3>
- 28/100 = 7/25
- 100/28 = 25/7
<h3>Explanation:</h3>
The wording "the ratio of A to B" means A/B.
Here, "the ratio of the weight of silicon to the weight of crust" means ...
... (28 tons)/(100 tons)
Canceling common factors (and common units), this is ...
... 28/100 = 7/25
___
Then "the ratio of the weight of crust to the weight of silicon" means ...
... (100 tons)/(28 tons) = 100/28 = 25/7
B=26-8
so the answer is b=18
Answer:
Opens upward and is wider.
Step-by-step explanation:
