Answer:
500 phones
Step-by-step explanation:
cost of manufacturing: y = 80x + 10,000
money from phone sales: y = 100x
* note: x = #phones
solve for when they're equal;
100x = 80x + 10,000
100x - 80x = 80x - 80x + 10,000
20x = 10,000 –––––––––––> divide both sides by 20
x = 500
Answer:

Step-by-step explanation:
First, you make fourteen a fraction.

Then, make it a mixed fraction by adding a six.

Lastly, have a great day! :)
<span>product of (3.7 × 104) and 2
</span>
answer is A.) 7.4 × 104
Answer:
42
Step-by-step explanation:
Organize the numbers from least to greatest
37, 41, 42, 42, 43, 44, 45
Find the number in the middle