Answer:
the answer is 4 of it will help you
It’s 187 because 220-15%=187 gbbnbvvhjnn
answer: you would just substitute all of the values you see for b into the equation where there's a b
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
