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
-1.5 is the answer because it is 75
Answer:
it is decreased by $70,000
Step-by-step explanation:
Federal reserve sells $70,000 in treasury bonds to a bank at 9%
this is what I got for it lmk if u have any more questions
Create an equation: x*(x-3)=14
5.53112887 and 2.53112887
You can round the numbers and get 5.53 and 2.53
