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
8Mm-18M
the volume is 8Mm-18M
Answer: x = 6 y = 5
Step-by-step explanation: coz I juss know
Answer:I think it is a
d) x=-12 because x/-3=4 can be rearranged as x=4x-3 so x=-12